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## 09.04. functor/3
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Was antwortet Prolog auf die folgenden Anfragen?

Überlege dir, wie die Rückgabe aussieht und überprüfe anschließend mit dem 'Run Query'-Button rechts, ob du recht hattest.
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<div class="nb-cell query" name="q9">
functor(member(a,[a,b,c]),F,3).
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<div class="nb-cell query" name="q8">
functor(member(a,[a,b,c]),F,A).
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<div class="nb-cell query" name="q7">
functor(mag(popeye,eis),mag,2).
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<div class="nb-cell query" name="q6">
functor(4+5*6,F,A).
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<div class="nb-cell query" name="q5">
functor(4+5-6,F,A).
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<div class="nb-cell query" name="q4">
functor([a,b,c],F,A).
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<div class="nb-cell query" name="q3">
functor(C,hund,2).
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<div class="nb-cell query" name="q2">
functor(C,wizard(harry),2).
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<div class="nb-cell query" name="q1">
functor(C,7,2).
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<div class="nb-cell query" name="q12">
functor(X=a,F,A).
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<div class="nb-cell query" name="q11">
functor(4+5*6 &lt; 4+5,F,A).
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<div class="nb-cell query" name="q10">
functor(X is 4+5*6,F,A).
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