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<div class="framename">Clausal Language (ver. 5.81.19, by P.J. Voda, J. Komara, J. Kluka)
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<div class="fill"><span class="header">Module&nbsp;<math xmlns="&mathml;">
<msub class="comp_id_hdr"><mi class="comp_id_hdr">Ex</mi><mn class="id_sub">03</mn
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<div class="header">Remark&nbsp;<math xmlns="&mathml;">
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<p><b>3. CVIČENIE Z PREDMETU ÚVOD DO DEKLARATÍVNEHO PROGRAMOVANIA</b>
</p>
<p>http://ii.fmph.uniba.sk/cl/courses/1-AIN-505-udp/0809ls/ex/ex03.cl
</p>
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<mi class="comp_id_hdr"></mi>
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<p><i>Dátum:</i> 2. 3. and 4. 3. 2008
</p>
<p><i>Odporúčaná verzia CL:</i> 5.81.19
</p>
<p><i>WWW stránka predmetu:</i> http://ii.fmph.uniba.sk/cl/courses/1-AIN-505-udp/0809ls/?lang=sk
</p>
<p><i>Kontakt na vyučujúcich:</i> voda_zavináč_fmph.uniba.sk, kluka_zavináč_fmph.uniba.sk
</p>
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</div>
<p>Scroll down to “ASSIGNMENTS”.
</p>
<p>Preskočte nasledujúce komponenty po nadpis „ÚLOHY“.
</p>
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/>
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<div id="idg-----" class="fill"><a name="idg-----"/><span class="header">Application display&nbsp;<em
>Fill_in_d</em>&nbsp;/&nbsp;0: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
</math></span>
</div>
</div>
<div id="idh-----" class="editable"><a name="idj-----"/>
<form action="#idj-----" method="POST" id="idj-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idj-----"/>
<div class="separatorbutton fill">
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<div class="fill">
<hr/>
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/>
</div>
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/>
</div>
</div>
</form>
<div id="idk-----" class="fill"><a name="idk-----"/><span class="header">Application display&nbsp;<em
>Fill_in_d1</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
</math></span>
</div>
</div>
<div id="idl-----" class="editable"><a name="idn-----"/>
<form action="#idn-----" method="POST" id="idn-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
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<div class="fill">
<hr/>
</div>
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/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="ido-----" class="fill"><a name="ido-----"/><span class="header">Application display&nbsp;<em
>Ldots</em>&nbsp;/&nbsp;0: <math xmlns="&mathml;">
<mo>&hellip;</mo>
</math></span>
</div>
</div>
<div id="idp-----" class="editable"><a name="idr-----"/>
<form action="#idr-----" method="POST" id="idr-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idr-----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="ids-----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<acronym title="This function is a constructor"
 class="fun_constr"><math xmlns="&mathml;">
<mi class="inh_col_id">Fill_in</mi>
</math></acronym>&nbsp;/&nbsp;0 displayed by&nbsp;<em>Fill_in_d</em> as&nbsp;<math
 xmlns="&mathml;">
<mo>&ctdot;</mo>
</math></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>=</mo><mn class="builtin">20090302</mn>
</math>
</div>
<div class="editbuttontd">
<form action="#ids-----" method="POST" id="ids-----__" onsubmit="return submitForm(this,this);"
><a name="ids-----"/><input type="hidden" name="selector" value="ids-----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idt-----" class="editable"><a name="idv-----"/>
<form action="#idv-----" method="POST" id="idv-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idv-----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idw-----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<acronym title="This function is a constructor"
 class="fun_constr"><math xmlns="&mathml;">
<mi class="inh_col_id">Fill_arg</mi>
</math></acronym>&nbsp;/&nbsp;0 displayed by&nbsp;<em>Ldots</em> as&nbsp;<math
 xmlns="&mathml;">
<mo>&hellip;</mo>
</math></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&hellip;</mo><mo>=</mo><mn class="builtin">20090304</mn>
</math>
</div>
<div class="editbuttontd">
<form action="#idw-----" method="POST" id="idw-----__" onsubmit="return submitForm(this,this);"
><a name="idw-----"/><input type="hidden" name="selector" value="idw-----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idx-----" class="editable"><a name="idz-----"/>
<form action="#idz-----" method="POST" id="idz-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idz-----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id0-----" class="fill"><a name="id0-----"/><span class="header">Application display&nbsp;<em
>Z</em>&nbsp;/&nbsp;0: <math xmlns="&mathml;">
<mn>0</mn>
</math></span>
</div>
</div>
<div id="id1-----" class="editable"><a name="id3-----"/>
<form action="#id3-----" method="POST" id="id3-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id3-----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id4-----" class="fill"><a name="id4-----"/><span class="header">Application display&nbsp;<em
>Exp_d</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<msup>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub>
<msub class="ad_constr_arg"><mi>#</mi><mn>2</mn>
</msub>
</msup>
</math></span>
</div>
</div>
<div id="id5-----" class="editable"><a name="id7-----"/>
<form action="#id7-----" method="POST" id="id7-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id7-----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id8-----" class="fill"><a name="id8-----"/><span class="header">Application display&nbsp;<em
>Conc_d</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>&star;</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>2</mn>
</msub>
</math></span>
</div>
</div>
<div id="id9-----" class="editable"><a name="id-A----"/>
<form action="#id-A----" method="POST" id="id-A----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id-A----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idAA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>A S S I G N M E N T S</b>
</p>
<p><b>Ú L O H Y</b>
</p>
</div>
<div class="editbuttontd">
<form action="#idAA----" method="POST" id="idAA----__" onsubmit="return submitForm(this,this);"
><a name="idAA----"/><input type="hidden" name="selector" value="idAA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idBA----" class="editable"><a name="idDA----"/>
<form action="#idDA----" method="POST" id="idDA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idDA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idEA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>Assignment 1.</b> Define the following arithmetic operations operating
 with the <i>dyadic number representation</i>.
</p>
<p><b>Úloha 1.</b> Definujte nasledujúce aritmetické operácie na <i>diadickej
 reprezentácii čísel</i>.
</p>
</div>
<div class="editbuttontd">
<form action="#idEA----" method="POST" id="idEA----__" onsubmit="return submitForm(this,this);"
><a name="idEA----"/><input type="hidden" name="selector" value="idEA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idFA----" class="editable"><a name="idHA----"/>
<form action="#idHA----" method="POST" id="idHA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idHA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
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/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idIA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b><i>Note.</i></b> Use the format <i>N2</i> to display a number in the <b
>dyadic</b> representation. E.g. “9 = x:N2” shows the number <math xmlns="&mathml;"
>
<mn class="builtin">9</mn>
</math> in the dyadic representation as <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>. “F(...) = x:N2” displays the value of <math xmlns="&mathml;">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo><mo>&hellip;</mo><mo>)</mo>
</mrow>
</math> in the dyadic representation.
</p>
<p class="indented">The constructors <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi
>x</mi><mo class="builtin">+</mo><mn class="builtin">1</mn>
</math>, and <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">2</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi
>x</mi><mo class="builtin">+</mo><mn class="builtin">2</mn>
</math> are pre-defined in the module <i>Standard</i>.
</p>
<p class="indented">In our definitions of functions we shall use the <i>dyadic
 discrimination</i>: 
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo><mn class="builtin">0</mn>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>or
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo><mn class="builtin">0</mn><mo class="builtin">,</mo
><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo class="builtin">,</mo><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo class="builtin">,</mo><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>Since S1(x) = <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow>
</math>, and S2(x) = <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">2</mo>
</mrow>
</math> (see the lecture), a sequence of <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">1</mn>
</msub>
</math>&apos;s and <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">2</mn>
</msub>
</math>&apos;s in the term representation is the reverse of the sequence of 
dyadic digits. E.g. <math xmlns="&mathml;">
<mn class="builtin">10</mn>
</math> = S2 S2 S1(0) = <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>. The term S2 S1 S2 S1(x) will be shown with the dyadic digits as <math
 xmlns="&mathml;">
<mrow>
<mrow>
<mrow>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>.
</p>
<p><b><i>Poznámka.</i></b> Na zobrazenie čísel v <b>diadickej</b> reprezentácii
 použite formát <i>N2</i>. Napríklad „9 = x:N2“ zobrazí číslo <math
 xmlns="&mathml;">
<mn class="builtin">9</mn>
</math> v diadickej reprezentácii ako <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>. „F(...) = x:N2“ zobrazí hodnotu <math xmlns="&mathml;">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo><mo>&hellip;</mo><mo>)</mo>
</mrow>
</math> v diadickej reprezentácii.
</p>
<p class="indented">Konštruktory <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi
>x</mi><mo class="builtin">+</mo><mn class="builtin">1</mn>
</math> a <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">2</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi
>x</mi><mo class="builtin">+</mo><mn class="builtin">2</mn>
</math> sú definované v module <i>Standard</i>.
</p>
<p class="indented">Na definovanie funkcií budeme používať <i>diadickú 
diskrimináciu</i>:
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo><mn class="builtin">0</mn>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow><mo>&and;</mo>
<mrow><mi>x</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>alebo
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo><mn class="builtin">0</mn><mo class="builtin">,</mo
><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo class="builtin">,</mo><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">F</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo class="builtin">,</mo><mo>&hellip;</mo><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>Pretože S1(x) = <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow>
</math> a S2(x) = <math xmlns="&mathml;">
<mrow><mi>x</mi><mo class="bdsucc">2</mo>
</mrow>
</math> (viď prednáška), postupnosť <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">1</mn>
</msub>
</math> a <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">2</mn>
</msub>
</math> vo výraze je obrátená oproti zodpovedajúcej postupnosti diadických
 číslic. Napríklad <math xmlns="&mathml;">
<mn class="builtin">10</mn>
</math> = S2 S2 S1(0) = <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>. Výraz S2 S1 S2 S1(x) sa použitím diadických číslic zobrazí ako
 <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idIA----" method="POST" id="idIA----__" onsubmit="return submitForm(this,this);"
><a name="idIA----"/><input type="hidden" name="selector" value="idIA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idJA----" class="editable"><a name="idLA----"/>
<form action="#idLA----" method="POST" id="idLA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idLA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idMA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(a)</b> Successor/Nasledovník <math xmlns="&mathml;">
<mi class="ident">Succ</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow><mo>=</mo><mi>x</mi><mo class="builtin">+</mo><mn class="builtin">1</mn
>
</math>
</p>
</div>
<div class="editbuttontd">
<form action="#idMA----" method="POST" id="idMA----__" onsubmit="return submitForm(this,this);"
><a name="idMA----"/><input type="hidden" name="selector" value="idMA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idNA----" class="editable"><a name="idPA----"/>
<form action="#idPA----" method="POST" id="idPA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idPA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idQA----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Succ</mi>
</math></span></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Succ</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idQA----" method="POST" id="idQA----__" onsubmit="return submitForm(this,this);"
><a name="idQA----"/><input type="hidden" name="selector" value="idQA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idRA----" class="editable"><a name="idTA----"/>
<form action="#idTA----" method="POST" id="idTA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idTA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idUA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(b)</b> Addition/Sčitanie <math xmlns="&mathml;">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow><mo>=</mo><mi>x</mi><mo class="builtin">+</mo><mi>y</mi>
</math>
</p>
</div>
<div class="editbuttontd">
<form action="#idUA----" method="POST" id="idUA----__" onsubmit="return submitForm(this,this);"
><a name="idUA----"/><input type="hidden" name="selector" value="idUA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idVA----" class="editable"><a name="idXA----"/>
<form action="#idXA----" method="POST" id="idXA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idXA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idYA----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Add</mi>
</math></span>&nbsp;/&nbsp;2</span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>,</mo>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idYA----" method="POST" id="idYA----__" onsubmit="return submitForm(this,this);"
><a name="idYA----"/><input type="hidden" name="selector" value="idYA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idZA----" class="editable"><a name="idbA----"/>
<form action="#idbA----" method="POST" id="idbA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idbA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idcA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(c)</b> Twice/Dvojnásobok <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi
>x</mi>
</math>
</p>
</div>
<div class="editbuttontd">
<form action="#idcA----" method="POST" id="idcA----__" onsubmit="return submitForm(this,this);"
><a name="idcA----"/><input type="hidden" name="selector" value="idcA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="iddA----" class="editable"><a name="idfA----"/>
<form action="#idfA----" method="POST" id="idfA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idfA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idgA----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Twice</mi>
</math></span></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Twice</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idgA----" method="POST" id="idgA----__" onsubmit="return submitForm(this,this);"
><a name="idgA----"/><input type="hidden" name="selector" value="idgA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idhA----" class="editable"><a name="idjA----"/>
<form action="#idjA----" method="POST" id="idjA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idjA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idkA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(d)</b> Multiplication/Násobenie <math xmlns="&mathml;">
<mi class="ident">Mul</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow><mo>=</mo><mi>x</mi><mo class="builtin">&sdot;</mo><mi>y</mi>
</math>
</p>
</div>
<div class="editbuttontd">
<form action="#idkA----" method="POST" id="idkA----__" onsubmit="return submitForm(this,this);"
><a name="idkA----"/><input type="hidden" name="selector" value="idkA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idlA----" class="editable"><a name="idnA----"/>
<form action="#idnA----" method="POST" id="idnA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idnA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idoA----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Mul</mi>
</math></span>&nbsp;/&nbsp;2</span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Mul</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>,</mo>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idoA----" method="POST" id="idoA----__" onsubmit="return submitForm(this,this);"
><a name="idoA----"/><input type="hidden" name="selector" value="idoA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idpA----" class="editable"><a name="idrA----"/>
<form action="#idrA----" method="POST" id="idrA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idrA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idsA----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(e)</b> Exponentiation/Umocnenie <math xmlns="&mathml;">
<mi class="ident">Exp</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow><mo>=</mo>
<msup><mi>x</mi><mi>y</mi>
</msup>
</math>
</p>
</div>
<div class="editbuttontd">
<form action="#idsA----" method="POST" id="idsA----__" onsubmit="return submitForm(this,this);"
><a name="idsA----"/><input type="hidden" name="selector" value="idsA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idtA----" class="editable"><a name="idvA----"/>
<form action="#idvA----" method="POST" id="idvA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idvA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idwA----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Exp</mi>
</math></span>&nbsp;/&nbsp;2</span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Exp</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>,</mo>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idwA----" method="POST" id="idwA----__" onsubmit="return submitForm(this,this);"
><a name="idwA----"/><input type="hidden" name="selector" value="idwA----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idxA----" class="editable"><a name="idzA----"/>
<form action="#idzA----" method="POST" id="idzA----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idzA----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id0A----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>Assignment 2.</b> Define the following functions operating on dyadic strings.
</p>
<p class="indented">In this assignment, we work with numbers written in the 
dyadic notation as with <i>strings</i> of symbols 1 and 2. We thus see the number
 <math xmlns="&mathml;">
<mn class="builtin">19</mn><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math> as the string “1211”. The dyadic notation is important, the number
 it denotes is irrelevant.
</p>
<p><b>Úloha 2.</b> Definujte nasledujúce funkcie na diadických reťazcoch.
</p>
<p class="indented">V tento úlohe pracujeme s číslami v diadickom zápise
 ako s <i>reťazcami</i> znakov 1 a 2. Teda číslo <math xmlns="&mathml;">
<mn class="builtin">19</mn><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math> chápeme ako reťazec „1211“. Dôležitý je diadický zápis. Číslo,
 ktoré označuje, nie je podstatné.
</p>
</div>
<div class="editbuttontd">
<form action="#id0A----" method="POST" id="id0A----__" onsubmit="return submitForm(this,this);"
><a name="id0A----"/><input type="hidden" name="selector" value="id0A----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id1A----" class="editable"><a name="id3A----"/>
<form action="#id3A----" method="POST" id="id3A----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id3A----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id4A----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(a)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Len</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> computing the length of the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math>.
</p>
<p><b>a)</b> Zadefinujte funkciu <math xmlns="&mathml;">
<mi class="ident">Len</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> počítajúcu dĺžku diadického reťazca <math xmlns="&mathml;">
<mi>x</mi>
</math>.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">Len</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">3</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#id4A----" method="POST" id="id4A----__" onsubmit="return submitForm(this,this);"
><a name="id4A----"/><input type="hidden" name="selector" value="id4A----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id5A----" class="editable"><a name="id7A----"/>
<form action="#id7A----" method="POST" id="id7A----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id7A----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id8A----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Len</mi>
</math></span></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Len</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#id8A----" method="POST" id="id8A----__" onsubmit="return submitForm(this,this);"
><a name="id8A----"/><input type="hidden" name="selector" value="id8A----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id9A----" class="editable"><a name="id-B----"/>
<form action="#id-B----" method="POST" id="id-B----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id-B----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idAB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(b)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Conc</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow><mo>=</mo><mi>x</mi><mo>&star;</mo><mi>y</mi>
</math> which joins (concatenates) the dyadic strings <math xmlns="&mathml;"
>
<mi>x</mi>
</math> and <math xmlns="&mathml;">
<mi>y</mi>
</math>.
</p>
<p><b>b)</b> Zadefinujete funkciu <math xmlns="&mathml;">
<mi class="ident">Conc</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow><mo>=</mo><mi>x</mi><mo>&star;</mo><mi>y</mi>
</math>, ktorá spojí (zreťazí) diadické reťazce <math xmlns="&mathml;"
>
<mi>x</mi>
</math> and <math xmlns="&mathml;">
<mi>y</mi>
</math>.
</p>
<p class="indented">For example/Napríklad <math xmlns="&mathml;">
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>&star;</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idAB----" method="POST" id="idAB----__" onsubmit="return submitForm(this,this);"
><a name="idAB----"/><input type="hidden" name="selector" value="idAB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idBB----" class="editable"><a name="idDB----"/>
<form action="#idDB----" method="POST" id="idDB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idDB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idEB----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Conc</mi>
</math></span>&nbsp;/&nbsp;2 displayed by&nbsp;<em>Conc_d</em> as&nbsp;<math
 xmlns="&mathml;">
<mstyle class="bvar">
<msub><mi>#</mi><mn>1</mn>
</msub>
</mstyle><mo>&star;</mo>
<mstyle class="bvar">
<msub><mi>#</mi><mn>2</mn>
</msub>
</mstyle>
</math></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>&star;</mo>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idEB----" method="POST" id="idEB----__" onsubmit="return submitForm(this,this);"
><a name="idEB----"/><input type="hidden" name="selector" value="idEB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idFB----" class="editable"><a name="idHB----"/>
<form action="#idHB----" method="POST" id="idHB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idHB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idIB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(c)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Rev</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> computing the reversal of the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math>.
</p>
<p><b>c)</b> Definujte funkciu <math xmlns="&mathml;">
<mi class="ident">Rev</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktorá obráti diadický reťazec <math xmlns="&mathml;">
<mi>x</mi>
</math>.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">Rev</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idIB----" method="POST" id="idIB----__" onsubmit="return submitForm(this,this);"
><a name="idIB----"/><input type="hidden" name="selector" value="idIB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idJB----" class="editable"><a name="idLB----"/>
<form action="#idLB----" method="POST" id="idLB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idLB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idMB----" class="fieldwithbuttons editable fill">
<div class="fill"><span class="header">Function&nbsp;<span class="comp_id_hdr"
><math xmlns="&mathml;">
<mi class="inh_col_id">Rev</mi>
</math></span></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Rev</mi>
<mrow class="cp1"><mo>(</mo>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
</div>
<div class="editbuttontd">
<form action="#idMB----" method="POST" id="idMB----__" onsubmit="return submitForm(this,this);"
><a name="idMB----"/><input type="hidden" name="selector" value="idMB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idNB----" class="editable"><a name="idPB----"/>
<form action="#idPB----" method="POST" id="idPB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idPB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idQB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(d)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Palindrome</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> that yields (returns) <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> if the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> reads the same both forwards and backwards. Otherwise the function yields
 <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math>.
</p>
<p><b>d)</b> Definujte funkciu <math xmlns="&mathml;">
<mi class="ident">Palindrome</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktorá vráti <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math>, ak je diadický reťazec <math xmlns="&mathml;">
<mi>x</mi>
</math> rovnaký pri čítaní spredu aj zozadu. Inak funkcia vráti <math xmlns="&mathml;"
>
<mn class="builtin">0</mn>
</math>.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">Palindrome</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">1</mn>
</math>, <math xmlns="&mathml;">
<mi class="ident">Palindrome</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">0</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idQB----" method="POST" id="idQB----__" onsubmit="return submitForm(this,this);"
><a name="idQB----"/><input type="hidden" name="selector" value="idQB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idRB----" class="editable"><a name="idTB----"/>
<form action="#idTB----" method="POST" id="idTB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idTB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idUB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(e)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">First</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> which yields the first (left-most, most significant) digit of the dyadic
 string <math xmlns="&mathml;">
<mi>x</mi>
</math> if it is non-empty and <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> otherwise.
</p>
<p><b>e)</b> Definujte funkciu <math xmlns="&mathml;">
<mi class="ident">First</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktorá vráti prvú (najľavejšiu, najvýznamnejšiu) číslicu diadického
 reťazca <math xmlns="&mathml;">
<mi>x</mi>
</math>, ak je neprázdny, a <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> v opačnom prípade.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">First</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idUB----" method="POST" id="idUB----__" onsubmit="return submitForm(this,this);"
><a name="idUB----"/><input type="hidden" name="selector" value="idUB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idVB----" class="editable"><a name="idXB----"/>
<form action="#idXB----" method="POST" id="idXB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idXB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idYB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(f)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Last</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> which yields the last (right-most, least significant) digit of the dyadic
 string <math xmlns="&mathml;">
<mi>x</mi>
</math> if it is non-empty and <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> otherwise.
</p>
<p><b>f)</b> Zadefinujte funkciu <math xmlns="&mathml;">
<mi class="ident">Last</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktorá vráti poslednú (najpravejšiu, najmenej významnú) číslicu
 diadického reťazca <math xmlns="&mathml;">
<mi>x</mi>
</math>, ak je neprázdny, a <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> v opačnom prípade.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">Last</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">1</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idYB----" method="POST" id="idYB----__" onsubmit="return submitForm(this,this);"
><a name="idYB----"/><input type="hidden" name="selector" value="idYB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idZB----" class="editable"><a name="idbB----"/>
<form action="#idbB----" method="POST" id="idbB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idbB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idcB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(g)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Change</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> which replaces in the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> every occurrence of the digit <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> by the digit <math xmlns="&mathml;">
<mn class="builtin">2</mn>
</math> and vice-versa.
</p>
<p><b>g)</b> Zadefinujte funkciu <math xmlns="&mathml;">
<mi class="ident">Change</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktorá v diadickom reťazci <math xmlns="&mathml;">
<mi>x</mi>
</math> nahradí každý výskyt číslice <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> číslicou <math xmlns="&mathml;">
<mn class="builtin">2</mn>
</math> a naopak.
</p>
<p class="indented">E.g./Napr. <math xmlns="&mathml;">
<mi class="ident">Change</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idcB----" method="POST" id="idcB----__" onsubmit="return submitForm(this,this);"
><a name="idcB----"/><input type="hidden" name="selector" value="idcB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="iddB----" class="editable"><a name="idfB----"/>
<form action="#idfB----" method="POST" id="idfB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idfB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idgB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(h)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Before</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> which adds in the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> the digit <math xmlns="&mathml;">
<mn class="builtin">2</mn>
</math> before every occurrence of the digit <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Before</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idgB----" method="POST" id="idgB----__" onsubmit="return submitForm(this,this);"
><a name="idgB----"/><input type="hidden" name="selector" value="idgB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idhB----" class="editable"><a name="idjB----"/>
<form action="#idjB----" method="POST" id="idjB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idjB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idkB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(i)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">After</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> which adds in the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> the digit <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> after every occurrence of the digit <math xmlns="&mathml;">
<mn class="builtin">2</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">After</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idkB----" method="POST" id="idkB----__" onsubmit="return submitForm(this,this);"
><a name="idkB----"/><input type="hidden" name="selector" value="idkB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idlB----" class="editable"><a name="idnB----"/>
<form action="#idnB----" method="POST" id="idnB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idnB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idoB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(j)</b> Define a function <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">Del</mi><mn class="id_sub">1</mn>
</msub>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> yielding the string obtained from the dyadic string <math xmlns="&mathml;"
>
<mi>x</mi>
</math> by deleting every occurrence of the digit <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">Del</mi><mn class="id_sub">1</mn>
</msub>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idoB----" method="POST" id="idoB----__" onsubmit="return submitForm(this,this);"
><a name="idoB----"/><input type="hidden" name="selector" value="idoB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idpB----" class="editable"><a name="idrB----"/>
<form action="#idrB----" method="POST" id="idrB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idrB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idsB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(k)</b> Define a function <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">Del</mi><mn class="id_sub">12</mn>
</msub>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> yielding the string obtained from the dyadic string <math xmlns="&mathml;"
>
<mi>x</mi>
</math> by deleting every occurrence of the digit <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> followed by <math xmlns="&mathml;">
<mn class="builtin">2</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">Del</mi><mn class="id_sub">12</mn>
</msub>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idsB----" method="POST" id="idsB----__" onsubmit="return submitForm(this,this);"
><a name="idsB----"/><input type="hidden" name="selector" value="idsB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idtB----" class="editable"><a name="idvB----"/>
<form action="#idvB----" method="POST" id="idvB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idvB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idwB----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(l)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Rotl</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> yielding the string obtained from the dyadic string <math xmlns="&mathml;"
>
<mi>x</mi>
</math> by its rotation to the left by one digit.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Rotl</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idwB----" method="POST" id="idwB----__" onsubmit="return submitForm(this,this);"
><a name="idwB----"/><input type="hidden" name="selector" value="idwB----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idxB----" class="editable"><a name="idzB----"/>
<form action="#idzB----" method="POST" id="idzB----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idzB----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id0B----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(m)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Rotr</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> yielding the string obtained from the dyadic string <math xmlns="&mathml;"
>
<mi>x</mi>
</math> by its rotation to the right by one digit.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Rotr</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#id0B----" method="POST" id="id0B----__" onsubmit="return submitForm(this,this);"
><a name="id0B----"/><input type="hidden" name="selector" value="id0B----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id1B----" class="editable"><a name="id3B----"/>
<form action="#id3B----" method="POST" id="id3B----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id3B----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id4B----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(n)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Prefix</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>s</mi><mo>)</mo>
</mrow>
</math> that yields (returns) <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> if the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> is the prefix of the dyadic string <math xmlns="&mathml;">
<mi>s</mi>
</math>. Otherwise the function returns <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Prefix</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">1</mn>
</math>, <math xmlns="&mathml;">
<mi class="ident">Prefix</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">0</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#id4B----" method="POST" id="id4B----__" onsubmit="return submitForm(this,this);"
><a name="id4B----"/><input type="hidden" name="selector" value="id4B----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id5B----" class="editable"><a name="id7B----"/>
<form action="#id7B----" method="POST" id="id7B----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id7B----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="id8B----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(o)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Suffix</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>s</mi><mo>)</mo>
</mrow>
</math> that yields (returns) <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> if the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> is the suffix of the dyadic string <math xmlns="&mathml;">
<mi>s</mi>
</math>. Otherwise the function returns <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Suffix</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">0</mn>
</math>, <math xmlns="&mathml;">
<mi class="ident">Suffix</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">1</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#id8B----" method="POST" id="id8B----__" onsubmit="return submitForm(this,this);"
><a name="id8B----"/><input type="hidden" name="selector" value="id8B----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="id9B----" class="editable"><a name="id-C----"/>
<form action="#id-C----" method="POST" id="id-C----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="id-C----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idAC----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>(p)</b> Define a function <math xmlns="&mathml;">
<mi class="ident">Substr</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>s</mi><mo>)</mo>
</mrow>
</math> that yields (returns) <math xmlns="&mathml;">
<mn class="builtin">1</mn>
</math> if the dyadic string <math xmlns="&mathml;">
<mi>x</mi>
</math> is a substring of the dyadic string <math xmlns="&mathml;">
<mi>s</mi>
</math>. Otherwise the function returns <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math>.
</p>
<p class="indented">E.g. <math xmlns="&mathml;">
<mi class="ident">Substr</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">0</mn>
</math>, <math xmlns="&mathml;">
<mi class="ident">Substr</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow>
<mrow><mn class="builtin">0</mn><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">1</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">1</mn>
</math>.
</p>
</div>
<div class="editbuttontd">
<form action="#idAC----" method="POST" id="idAC----__" onsubmit="return submitForm(this,this);"
><a name="idAC----"/><input type="hidden" name="selector" value="idAC----"/><input
 type="submit" name="action" value="Edit" class="editbutton" onclick="return submitForm(this.form,this);"
/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idBC----" class="editable"><a name="idCC----"/>
<form action="#idCC----" method="POST" id="idCC----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idCC----"/>
<div class="separatorbutton fill">
<div><pre><span class="fg3"></span></pre>
</div>
<div class="fill">
<hr/>
</div>
<div><input type="submit" name="char" value="Insert" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
</div>
</div>
<div class="namedseparator fill">
<div>
<div class="vert_sep_name">Query:
</div>
<div class="fill">
<hr/>
</div>
</div>
</div>
<form action="#idEC----" method="POST" id="idEC----" onsubmit="return submitForm(this,this);"
><a name="idEC----"/><input type="hidden" name="selector" value="idEC----"/>
<div class="fieldwithbuttons editable fill">
<div class="fill"><textarea name="data" cols="78" rows="3">0 = x

</textarea>
</div>
<div class="editbuttontd"><input type="submit" name="action" value="OK" class="editbutton"
 onclick="return submitForm(this.form,this);"/><br/><input type="submit" name="action"
 value="Cancel" class="editbutton" onclick="return submitForm(this.form,this);"
/>
</div>
</div><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
<div class="namedseparator fill">
<div>
<div class="vert_sep_name">Results:
</div>
<div class="fill">
<hr/>
</div>
</div>
</div>
<div id="idFC----" class="fill"><a name="idFC----"/>
<div>Heap used:&nbsp;319576 free:&nbsp;133897388
</div>
<div>Time used:&nbsp;0:0:0:55
</div>
</div>
</div>
</div>
</body></html>