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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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<p><b>4. CVIČENIE Z PREDMETU ÚVOD DO DEKLARATÍVNEHO PROGRAMOVANIA LS 2011/2012</b
>
</p>
<p><b>ČASŤ A</b>
</p>
<p>http://dai.fmph.uniba.sk/courses/udp/ex/ex04.zip
</p>
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<div><pre><span class="fg3"></span></pre>
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<div class="header">Remark&nbsp;<math xmlns="&mathml;">
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<p><i>Dátum:</i> 5. 3. 2012
</p>
<p><i>Odporúčaná verzia CL:</i> <b>5.81.20</b>
</p>
<p><i>WWW stránka predmetu:</i> http://dai.fmph.uniba.sk/courses/udp/
</p>
<p><i>Kontakt:</i> udp(zavináč)lists.dai.fmph.uniba.sk
</p>
</div>
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><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
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<div class="header">Remark&nbsp;<math xmlns="&mathml;">
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<p><b>Úvodná poznámka.</b> Toto cvičenie je venované dyadickej číselnej
 sústave a operáciám na dyadickom zápise čísel – aritmetickým (<i
>ex04a</i>) a symbolickým (<i>ex04b</i>).
</p>
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
</div>
</div>
<div id="idd-----" class="editable"><a name="idf-----"/>
<form action="#idf-----" method="POST" id="idf-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idf-----"/>
<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);"
/>
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<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
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<div class="header">Remark&nbsp;<math xmlns="&mathml;">
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</div>
<p><i>Literatúra.</i>
</p>
<p>[1] J. Kľuka. Prednášky z Úvodu do deklaratívneho programovania LS 2011/2012.
</p>
<p class="indented">http://ii.fmph.uniba.sk/cl/courses/1-AIN-505-udp/1112ls/udp-screen.pdf
</p>
<p>[2] D. Guller. Poznámky k prednáškam z CL.
</p>
<p>[3] J. Komara and P. J. Voda. Metamathematics of Computer Programming. 
2001.
</p>
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
</div>
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<div id="idh-----" class="editable"><a name="idj-----"/>
<form action="#idj-----" method="POST" id="idj-----" onsubmit="return submitForm(this,this);"
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<div class="separatorbutton fill">
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<p><i>Poznámka.</i> Nadpisy sú číslované podľa [1].
</p>
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
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</form>
</div>
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<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"
 value="idn-----"/>
<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="ido-----" class="fieldwithbuttons editable fill">
<div class="fill">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p>Preskočte nasledujúce komponenty po nadpis „CVIČENIE“.
</p>
</div>
<div class="editbuttontd">
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><a name="ido-----"/><input type="hidden" name="selector" value="ido-----"/><input
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
 value="0"/>
</form>
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<div id="idp-----" class="editable"><a name="idr-----"/>
<form action="#idr-----" method="POST" id="idr-----" onsubmit="return submitForm(this,this);"
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/>
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<div id="ids-----" class="fill"><a name="ids-----"/><span class="header">Application display&nbsp;<em
>Tex0_foo</em>&nbsp;/&nbsp;0: <math xmlns="&mathml;">
<mi>?</mi>
<mfenced><mi>&ctdot;</mi>
</mfenced>
</math></span>
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<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">Foo</mi>
</math></acronym>&nbsp;/&nbsp;0 displayed by&nbsp;<em>Tex0_foo</em> as&nbsp;<math
 xmlns="&mathml;">
<mi class="adident">?</mi>
</math></span><br/>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">?</mi><mo>=</mo><mn class="builtin">0</mn>
</math>
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<form action="#idw-----" method="POST" id="idw-----__" onsubmit="return submitForm(this,this);"
><a name="idw-----"/><input type="hidden" name="selector" value="idw-----"/><input
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<div id="id0-----" class="fill"><a name="id0-----"/><span class="header">Application display&nbsp;<em
>Tex0_cdots</em>&nbsp;/&nbsp;0: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
</math></span>
</div>
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<form action="#id3-----" method="POST" id="id3-----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
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<div class="fill">
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<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
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<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
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<div id="id4-----" class="fill"><a name="id4-----"/><span class="header">Application display&nbsp;<em
>Tex1_cdots</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
</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"
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<div class="fill">
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<div><input type="submit" name="char" value="Ins/Del" class="button" onclick="return submitForm(this.form,this);"
/>
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<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
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</form>
<div id="id8-----" class="fill"><a name="id8-----"/><span class="header">Application display&nbsp;<em
>Tex2_cdots</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
</math></span>
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</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">
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<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="fill"><a name="idAA----"/><span class="header">Application display&nbsp;<em
>Tex1_cdots_around</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>&ctdot;</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>&ctdot;</mo>
</math></span>
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<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">
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<div class="fill">
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<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="fill"><a name="idEA----"/><span class="header">Application display&nbsp;<em
>Tex1_paren_cdots_paren_around</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>(&ctdot;(</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>)&ctdot;)</mo>
</math></span>
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<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"
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<div><input type="submit" name="char" value="Expand" class="button" onclick="return submitForm(this.form,this);"
/>
</div>
</div>
</form>
<div id="idIA----" class="fill"><a name="idIA----"/><span class="header">Application display&nbsp;<em
>Tex1_paren</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>(</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>)</mo>
</math></span>
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<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----"/>
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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="idMA----" class="fill"><a name="idMA----"/><span class="header">Application display&nbsp;<em
>Tex2_idx</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<msub>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub>
<msub class="ad_constr_arg"><mi>#</mi><mn>2</mn>
</msub>
</msub>
</math></span>
</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="fill"><a name="idQA----"/><span class="header">Application display&nbsp;<em
>Tex1_set</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mo>{</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>}</mo>
</math></span>
</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="fill"><a name="idUA----"/><span class="header">Application display&nbsp;<em
>Tex2_in</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>&isin;</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>2</mn>
</msub>
</math></span>
</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="fill"><a name="idYA----"/><span class="header">Application display&nbsp;<em
>Tex1_f</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mi>f</mi>
<mfenced><mi>&ctdot;</mi>
</mfenced>
</math></span>
</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="fill"><a name="idcA----"/><span class="header">Application display&nbsp;<em
>Tex1_s1</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mi>S1</mi>
<mfenced><mi>&ctdot;</mi>
</mfenced>
</math></span>
</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="fill"><a name="idgA----"/><span class="header">Application display&nbsp;<em
>Tex1_s2</em>&nbsp;/&nbsp;1: <math xmlns="&mathml;">
<mi>S2</mi>
<mfenced><mi>&ctdot;</mi>
</mfenced>
</math></span>
</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="fill"><a name="idkA----"/><span class="header">Application display&nbsp;<em
>Tex2_equiv</em>&nbsp;/&nbsp;2: <math xmlns="&mathml;">
<msub class="ad_constr_arg"><mi>#</mi><mn>1</mn>
</msub><mo>&equiv;</mo>
<msub class="ad_constr_arg"><mi>#</mi><mn>2</mn>
</msub>
</math></span>
</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="fill"><a name="idoA----"/><span class="header">Application display&nbsp;<em
>Tex2_exp</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="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>C V I Č E N I E</b>
</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">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>8. DYADICKÁ ČÍSELNÁ SÚSTAVA</b>
</p>
</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><i>Dyadický zápis čísla.</i> Každé prirodzené číslo <math xmlns="&mathml;"
>
<mi>n</mi>
</math> možno jednoznačne zapísať v tvare
</p>
<math xmlns="&mathml;" mode="display">
<mi>n</mi><mo>=</mo>
<mrow class="cp1"><mo>(</mo>
<mrow class="cp2"><mo>(&ctdot;(</mo>
<mrow class="cp3"><mo>(</mo><mn class="builtin">0</mn><mo class="builtin">&sdot;</mo
><mn class="builtin">2</mn><mo class="builtin">+</mo>
<msub><mi>d</mi><mi>k</mi>
</msub><mo>)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo>
<msub><mi>d</mi>
<mrow><mi>k</mi>
<mover class="builtin"><mo>-</mo><mo>.</mo>
</mover><mn class="builtin">1</mn>
</mrow>
</msub><mo>)&ctdot;)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo>
<msub><mi>d</mi><mn>2</mn>
</msub><mo>)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo>
<msub><mi>d</mi><mn>1</mn>
</msub>
</math>
<p>kde <math xmlns="&mathml;">
<msub><mi>d</mi><mi>i</mi>
</msub><mo>&isin;</mo>
<mrow class="cp1"><mo>{</mo><mn class="builtin">1</mn><mo class="builtin">,</mo
><mn class="builtin">2</mn><mo>}</mo>
</mrow>
</math> pre všetky <math xmlns="&mathml;">
<mi>i</mi><mo class="builtin">&lE;</mo><mi>k</mi>
</math>, <math xmlns="&mathml;">
<mn class="builtin">1</mn><mo class="builtin">&lE;</mo><mi>i</mi>
</math>.
</p>
<p class="indented">Postupnosť <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> <math xmlns="&mathml;">
<msub><mi>d</mi><mi>k</mi>
</msub>
</math> <math xmlns="&mathml;">
<msub><mi>d</mi>
<mrow><mi>k</mi>
<mover class="builtin"><mo>-</mo><mo>.</mo>
</mover><mn class="builtin">1</mn>
</mrow>
</msub>
</math> … <math xmlns="&mathml;">
<msub><mi>d</mi><mn>2</mn>
</msub>
</math> <math xmlns="&mathml;">
<msub><mi>d</mi><mn>1</mn>
</msub>
</math> nazývame <i>dyadickým zápisom</i> (dyadickou reprezentáciou) čísla
 <math xmlns="&mathml;">
<mi>n</mi>
</math>.
</p>
<p class="indented">Napríklad
</p>
<math xmlns="&mathml;" mode="display">
<mn class="builtin">17</mn><mo>=</mo>
<mrow class="cp1"><mo>(</mo>
<mrow class="cp2"><mo>(</mo>
<mrow class="cp3"><mo>(</mo><mn class="builtin">0</mn><mo class="builtin">&sdot;</mo
><mn class="builtin">2</mn><mo class="builtin">+</mo><mn class="builtin">1</mn
><mo>)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo><mn class="builtin">1</mn><mo>)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo><mn class="builtin">2</mn><mo>)</mo>
</mrow><mo class="builtin">&sdot;</mo><mn class="builtin">2</mn><mo class="builtin"
>+</mo><mn class="builtin">1</mn>
</math>
<p>Dyadický zápis čísla <math xmlns="&mathml;">
<mn class="builtin">17</mn>
</math> je teda
</p>
<math xmlns="&mathml;" mode="display">
<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">1</mo>
</mrow>
</math>
</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>8.1. Dyadické konštruktory</b>
</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">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><i>[CL] Dyadické konštruktory.</i> V CL sú preddefinované funkcie
</p>
<math xmlns="&mathml;" mode="display">
<msub class="adident"><mi class="adident">S</mi><mn class="id_sub">1</mn>
</msub>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow><mo>&equiv;</mo>
<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>
<math xmlns="&mathml;" mode="display">
<msub class="adident"><mi class="adident">S</mi><mn class="id_sub">2</mn>
</msub>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow><mo>&equiv;</mo>
<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>
<p>nazývané <i>dyadické konštruktory</i>. Pomocou nich môžeme konštruovať
 dyadický zápis čísel. Funkciu <math xmlns="&mathml;">
<msub class="adident"><mi class="adident">S</mi><mn class="id_sub">1</mn>
</msub>
<mrow class="cp1"><mo>(</mo><mi>n</mi><mo>)</mo>
</mrow>
</math> môžeme chápať ako „pridaj číslicu 1 na koniec dyadického zápisu
 čísla <math xmlns="&mathml;">
<mi>n</mi>
</math> “. Tomu zodpovedá aj spôsob jej zobrazenia: <math xmlns="&mathml;"
>
<mrow><mi>n</mi><mo class="bdsucc">1</mo>
</mrow>
</math>. Význam <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">2</mn>
</msub>
</math> sa dá chápať analogicky.
</p>
</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>[CL] Úloha</b>. Vyhodnoťte nasledujúce dopyty (queries):
</p><pre>S1 S2 S1 S1(0) = n</pre><pre>50 = n &amp; S1(n) = p &amp; S2(n) = q</pre>
</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">
<div class="header">Remark&nbsp;<math xmlns="&mathml;">
<mi class="comp_id_hdr"></mi>
</math>
</div>
<p><b>8.2. Dyadická diskriminácia</b>
</p>
</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
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
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</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">
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<div class="fill">
<hr/>
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</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><i>[CL] Dyadický formát.</i> CL dokáže zobraziť hodnotu premennej v Query
 v dyadickom zápise pomocou <i>dyadického formátu</i> <math xmlns="&mathml;"
>
<msub class="ident"><mi class="ident">N</mi><mn class="id_sub">2</mn>
</msub>
</math>.
</p>
<p class="indented">Syntax:
</p><pre>    hodnota = premenna:N2</pre>
<p>Hodnota sa zobrazí akoby bola skonštruovaná z 0 pomocou konštruktorov
 <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>.
</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>
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<div class="fill">
<hr/>
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</form>
<div id="idMB----" 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>[CL] Úloha</b>. Vyhodnoťte nasledujúce dopyty (queries):
</p><pre>17 = n:N2</pre><pre>17+12 = n &amp; n = m:N2</pre><pre>S1 S2 S1 S2 S1(0) = n &amp; n = m:N2</pre>
</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----"/>
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</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><i>[CL] Dyadická diskriminácia.</i> Každé prirodzené číslo je buď
 <math xmlns="&mathml;">
<mn class="builtin">0</mn>
</math> alebo dyadický zápis <math xmlns="&mathml;">
<mi>n</mi>
</math> končí číslicou 1 alebo dyadický zápis <math xmlns="&mathml;">
<mi>n</mi>
</math> končí číslicou 2. Tieto možnosti sú vzájomne výlučné.
</p>
<math xmlns="&mathml;" mode="display">
<mi>n</mi><mo>=</mo><mn class="builtin">0</mn><mo>&or;</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow><mo>&or;</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow>
</math>
<math xmlns="&mathml;" mode="display">
<mrow><mo>&not;</mo>
<mrow class="cp1"><mo>(</mo><mi>n</mi><mo>=</mo><mn class="builtin">0</mn><mo
>&and;</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow><mo>)</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&not;</mo>
<mrow class="cp1"><mo>(</mo><mi>n</mi><mo>=</mo><mn class="builtin">0</mn><mo
>&and;</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow><mo>)</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&not;</mo>
<mrow class="cp1"><mo>(</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow><mo>&and;</mo>
<mrow><mo>&exist;</mo>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mi>n</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow><mo>)</mo>
</mrow>
</mrow>
</math>
<p>Tieto 3 možnosti tvoria <i>dyadickú diskrimináciu</i>. CL pozná túto
 diskrimináciu. Používame ju v tvare
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mi>t</mi><mo>=</mo><mn class="builtin">0</mn>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mi>t</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mo>&ctdot;</mo><mo>&larr;</mo>
<mrow><mi>t</mi><mo>=</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow>
</mrow>
</math>
</div>
<p>kde <math xmlns="&mathml;">
<mi>t</mi>
</math> je ľubovoľný výraz (obyčajne argument funkcie) a <math xmlns="&mathml;"
>
<mi>m</mi>
</math> je <i>nová</i> premenná (podobne ako pri monadickej diskriminácii).
</p>
<p class="indented">Dyadickú diskrimináciu možno dosadiť do argumentov definovanej
 funkcie:
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo><mn class="builtin">0</mn><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow class="cp1"><mo>&ctdot;</mo><mi>m</mi><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow class="cp1"><mo>&ctdot;</mo><mi>m</mi><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>V tomto cvičení používajte <b>iba dyadickú diskrimináciu</b>!
</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
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
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</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">
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</div>
<div class="fill">
<hr/>
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<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>[CL] Úloha</b>. Zadajte nasledujúce dopyty (queries) pre viacero rôznych
 hodnôt <math xmlns="&mathml;">
<mi>n</mi>
</math>:
</p><pre>17 = n:N2 &amp; n = 0</pre><pre>17 = n:N2 &amp; n = S1(m)</pre><pre>17 = n:N2 &amp; n = S1(m:N2)</pre><pre>17 = n:N2 &amp; n = S2(m)</pre><pre>17 = n:N2 &amp; n = S2(m:N2)</pre>
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<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----"/>
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</div>
<div class="fill">
<hr/>
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<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><i>Dyadická rekurzia.</i> Ak funkciu zadefinujeme tak, že všetky <i>rekurzívne
 volania majú menší počet dyadických číslic</i> ako pôvodný argument,
 teda
</p>
<div style="margin-left: 2em">
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo><mn class="builtin">0</mn><mo>)</mo>
</mrow><mo>=</mo><mo>&ctdot;</mo>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow class="cp1"><mo>&ctdot;</mo><mi class="adident">f</mi>
<mrow class="cp2"><mo>(</mo><mi>m</mi><mo>)</mo>
</mrow><mo>&ctdot;</mo>
</mrow>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="adident">f</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>m</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow class="cp1"><mo>&ctdot;</mo><mi class="adident">f</mi>
<mrow class="cp2"><mo>(</mo><mi>m</mi><mo>)</mo>
</mrow><mo>&ctdot;</mo>
</mrow>
</math>
</div>
<p>hovoríme o <i>dyadickej rekurzii</i>. Dyadická rekurzia je špeciálnym
 prípadom všeobecnej (course-of-values) rekurzie, pretože
</p>
<math xmlns="&mathml;" mode="display">
<mi>m</mi><mo class="builtin">&lt;</mo>
<mrow><mi>m</mi><mo class="bdsucc">1</mo>
</mrow><mo>&and;</mo><mi>m</mi><mo class="builtin">&lt;</mo>
<mrow><mi>m</mi><mo class="bdsucc">2</mo>
</mrow>
</math>
<p>Všetky funkcie v tomto cvičení definujte <b>iba dyadickou rekurziou</b
>!
</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
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
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</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"
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<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>8.3. Aritmetické operácie na dyadickom zápise čísel</b>
</p>
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</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"
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<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><i>Poznámka.</i> Dyadickou rekurziou môžeme zadefinovať <i>efektívne</i
> aritmetické operácie na prirodzených číslach s neobmedzenou presnosťou.
 Počet krokov potrebných na takto zadefinované operácie lineárne závisí
 od počtu číslic v dyadickom zápise argumentov operácie, nie od hodnoty
 argumentov.
</p>
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/><input type="hidden" name="xoff" value="0"/><input type="hidden" name="yoff"
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</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----"/>
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</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>Úloha. Nasledovník.</b> Dyadickou rekurziou zadefinujte funkciu 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>
<p><i>Návod.</i> Predstavte si dyadickú verziu sčítania, ako ste sa ho učili
 na základnej škole. Uvedomte si, kedy nastáva prenos do vyššieho rádu.
</p><pre>  0211 (11)     0212 (12)      0222 (14)
  +  1          +  1          +   1     
  ----          ----          -----     
  0212 (12)     0221 (13)     01111 (15)</pre>
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<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"><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><mn class="builtin">0</mn><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Succ</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Succ</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
</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>Úloha. Sčítanie.</b> Dyadickou rekurziou zadefinujte funkciu sčítanie
 <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>
<p><i>Návod 1 (názorný).</i> Predstavte si dyadickú verziu sčítania, 
ako ste sa ho učili na základnej škole. Rozoberte jednotlivé prípady:
</p><pre>    0    x1    x1    x1    x2    x2    x2
  + y   + 0   +y1   +y2   + 0   +y1   +y2
  ---   ---   ---   ---   ---   ---   ---
   ??    ??    ??    ??    ??    ??    ??</pre>
<p>Na prenos do vyššieho rádu použite funkciu nasledovník (<math xmlns="&mathml;"
>
<mi class="ident">Succ</mi>
</math>) z predchádzajúcej úlohy.
</p>
<p><i>Návod 2 (algebraický).</i> Uvedomte si, že <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 že <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>. Preto napríklad <math xmlns="&mathml;">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow><mi>y</mi><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<mrow class="cp1"><mo>(</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo
><mi>x</mi><mo class="builtin">+</mo><mn class="builtin">1</mn><mo>)</mo>
</mrow><mo class="builtin">+</mo>
<mrow class="cp1"><mo>(</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo
><mi>y</mi><mo class="builtin">+</mo><mn class="builtin">2</mn><mo>)</mo>
</mrow>
</math>. Upravte tento výraz tak, aby sa dal zapísať <i>iba</i> pomocou <math
 xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">1</mn>
</msub>
</math>, <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">2</mn>
</msub>
</math>, funkcie <math xmlns="&mathml;">
<mi class="ident">Succ</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math> a rekurzívneho volania <math xmlns="&mathml;">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow>
</math>, ktoré má hodnotu <math xmlns="&mathml;">
<mi>x</mi><mo class="builtin">+</mo><mi>y</mi>
</math>. Podobne postupujte aj v ostatných prípadoch.
</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"><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><mn class="builtin">0</mn><mo>,</mo>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>,</mo><mn class="builtin">0</mn><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>,</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>,</mo><mn class="builtin">0</mn><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>,</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
<math xmlns="&mathml;" mode="display" class="clause">
<mi class="ident">Add</mi>
<mrow class="cp1"><mo>(</mo>
<mrow>
<mstyle class="bvar"><mi>x</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>,</mo>
<mrow>
<mstyle class="bvar"><mi>y</mi>
</mstyle><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mi class="adident">?</mi>
</math>
</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>Úloha. Dvojnásobok.</b> Dyadickou rekurziou zadefinujte funkciu 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>. Nepoužite žiadne pomocné funkcie, ani tie, ktoré ste doteraz naprogramovali.
</p>
<p><i>Návod.</i> Uvedomte si, že <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 teda <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
<mrow class="cp1"><mo>(</mo>
<mrow><mi>x</mi><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo>
<mrow class="cp1"><mo>(</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo
><mi>x</mi><mo class="builtin">+</mo><mn class="builtin">1</mn><mo>)</mo>
</mrow>
</math>. Upravte tento výraz tak, aby sa dal zapísať iba pomocou <math xmlns="&mathml;"
>
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">1</mn>
</msub>
</math>, <math xmlns="&mathml;">
<msub class="ident"><mi class="ident">S</mi><mn class="id_sub">2</mn>
</msub>
</math> a rekurzívneho volania <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>)</mo>
</mrow>
</math>, ktoré má hodnotu <math xmlns="&mathml;">
<mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi>x</mi>
</math>. Podobne postupujte pri <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
<mrow class="cp1"><mo>(</mo>
<mrow><mi>x</mi><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo>
<mrow class="cp1"><mo>(</mo><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo
><mi>x</mi><mo class="builtin">+</mo><mn class="builtin">2</mn><mo>)</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"><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><mi class="adident">?</mi>
</math>
</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>Úloha. Násobenie.</b> Dyadickou rekurziou zadefinujte funkciu 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>
<p><i>Návod.</i> Postupujte podobne ako pri funkcii <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
</math>. Použite funkcie <math xmlns="&mathml;">
<mi class="ident">Twice</mi>
</math> a <math xmlns="&mathml;">
<mi class="ident">Add</mi>
</math>. Dyadickú diskrimináciu použite iba na jeden argument.
</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"><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><mi class="adident">?</mi>
</math>
</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="idDC----"/>
<form action="#idDC----" method="POST" id="idDC----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idDC----"/>
<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="idEC----" 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>Úloha. Umocnenie.</b> Dyadickou rekurziou zadefinujte funkciu 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>
<p><i>Návod.</i> Postupujte podobne ako pri funkcii dvojnásobok, teda vyjadrite
 pomocou už zadefinovaných operácií a rekurzie <math xmlns="&mathml;">
<mi class="ident">Exp</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo>
</mrow>
</math> hodnoty <math xmlns="&mathml;">
<mi class="ident">Exp</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo>
<mrow><mi>y</mi><mo class="bdsucc">1</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<msup><mi>x</mi>
<mrow><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi>y</mi><mo
 class="builtin">+</mo><mn class="builtin">1</mn>
</mrow>
</msup>
</math> a <math xmlns="&mathml;">
<mi class="ident">Exp</mi>
<mrow class="cp1"><mo>(</mo><mi>x</mi><mo>,</mo>
<mrow><mi>y</mi><mo class="bdsucc">2</mo>
</mrow><mo>)</mo>
</mrow><mo>=</mo>
<msup><mi>x</mi>
<mrow><mn class="builtin">2</mn><mo class="builtin">&sdot;</mo><mi>y</mi><mo
 class="builtin">+</mo><mn class="builtin">2</mn>
</mrow>
</msup>
</math>. Namiesto dvoch rovnakých rekurzívnych volaní použite priradenie
 do novej premennej (viď úvod ex03a).
</p>
</div>
<div class="editbuttontd">
<form action="#idEC----" method="POST" id="idEC----__" onsubmit="return submitForm(this,this);"
><a name="idEC----"/><input type="hidden" name="selector" value="idEC----"/><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="idFC----" class="editable"><a name="idHC----"/>
<form action="#idHC----" method="POST" id="idHC----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idHC----"/>
<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="idIC----" 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><mi class="adident">?</mi>
</math>
</div>
<div class="editbuttontd">
<form action="#idIC----" method="POST" id="idIC----__" onsubmit="return submitForm(this,this);"
><a name="idIC----"/><input type="hidden" name="selector" value="idIC----"/><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="idJC----" class="editable"><a name="idKC----"/>
<form action="#idKC----" method="POST" id="idKC----" onsubmit="return submitForm(this,this);"
><input type="hidden" name="action" value="button"/><input type="hidden" name="selector"
 value="idKC----"/>
<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="#idMC----" method="POST" id="idMC----" onsubmit="return submitForm(this,this);"
><a name="idMC----"/><input type="hidden" name="selector" value="idMC----"/>
<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="idNC----" class="fill"><a name="idNC----"/>
<div>Heap used:&nbsp;278812 free:&nbsp;133937012
</div>
<div>Time used:&nbsp;0:0:0:22
</div>
</div>
</div>
</div>
</body></html>