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>every, some, notevery, notany | Common Lisp Nova Spec</TITLE
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>Common Lisp Nova Spec</A
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="5_Data_and_Control_Flow.html"
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> <SPAN CLASS="breadcrumb-item"
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> <SPAN CLASS="breadcrumb-item"
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><TABLE WIDTH="100%" CELLSPACING="0" CELLPADDING="0"
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><TR
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><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
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><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="every, some, notevery, notany"
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></SPAN
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><B
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>every, some, notevery, notany</B
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></TD
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><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
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><I
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>Function</I
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></TD
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></TR
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></TABLE
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><HR
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></DIV
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><UL CLASS="subtoc"
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></UL
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><DL
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><DT
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><B
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>Syntax</B
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></DT
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><DD
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><P CLASS="j"
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><B
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>every</B
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> <SPAN CLASS="cmssi"
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>predicate</SPAN
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> <SPAN CLASS="cmtt"
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>&rest</SPAN
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> <SPAN CLASS="cmssi"
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>sequences</SPAN
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><SUP CLASS="sup"
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><SPAN CLASS="cmssi"
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>+</SPAN
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></SUP
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="cmssi"
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>generalized-boolean</SPAN
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></P
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><P CLASS="j"
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><B
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>some</B
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> <SPAN CLASS="cmssi"
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>predicate</SPAN
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> <SPAN CLASS="cmtt"
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>&rest</SPAN
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> <SPAN CLASS="cmssi"
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>sequences</SPAN
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><SUP CLASS="sup"
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><SPAN CLASS="cmssi"
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>+</SPAN
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></SUP
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="cmssi"
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>result</SPAN
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></P
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><P CLASS="j"
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><B
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>notevery</B
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> <SPAN CLASS="cmssi"
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>predicate</SPAN
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> <SPAN CLASS="cmtt"
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>&rest</SPAN
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> <SPAN CLASS="cmssi"
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>sequences</SPAN
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><SUP CLASS="sup"
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><SPAN CLASS="cmssi"
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>+</SPAN
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></SUP
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="cmssi"
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>generalized-boolean</SPAN
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></P
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><P CLASS="j"
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><B
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>notany</B
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> <SPAN CLASS="cmssi"
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>predicate</SPAN
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> <SPAN CLASS="cmtt"
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>&rest</SPAN
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> <SPAN CLASS="cmssi"
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>sequences</SPAN
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><SUP CLASS="sup"
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><SPAN CLASS="cmssi"
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>+</SPAN
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></SUP
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="cmssi"
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>generalized-boolean</SPAN
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></P
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></DD
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><DT
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><B
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>Arguments and Values</B
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></DT
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><DD
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><P CLASS="j"
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><VAR CLASS="param"
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>predicate</VAR
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> — a <A HREF="26_1_Glossary.html#designator"
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><EM CLASS="term"
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>designator</EM
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></A
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> for a <A HREF="26_1_Glossary.html#function"
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><EM CLASS="term"
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>function</EM
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></A
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> of as many <A HREF="26_1_Glossary.html#argument"
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><EM CLASS="term"
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>arguments</EM
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></A
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> as there are <VAR CLASS="param"
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>sequences</VAR
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>. </P
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><P CLASS="j"
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><VAR CLASS="param"
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>sequence</VAR
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> — a <A HREF="26_1_Glossary.html#sequence"
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><EM CLASS="term"
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>sequence</EM
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></A
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>. </P
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><P CLASS="j"
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><VAR CLASS="param"
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>result</VAR
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> — an <A HREF="26_1_Glossary.html#object"
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><EM CLASS="term"
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>object</EM
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></A
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>. </P
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><P CLASS="j"
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><VAR CLASS="param"
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>generalized-boolean</VAR
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> — a <A HREF="26_1_Glossary.html#generalized_boolean"
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><EM CLASS="term"
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>generalized boolean</EM
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></A
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>.</P
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></DD
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><DT
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><B
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>Description</B
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></DT
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><DD
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><P CLASS="j"
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><A HREF="f_every.html" CLASS="funref"
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><B
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>every</B
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></A
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>, <A HREF="f_every.html" CLASS="funref"
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><B
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>some</B
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></A
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>, <A HREF="f_every.html" CLASS="funref"
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><B
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>notevery</B
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></A
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>, and <A HREF="f_every.html" CLASS="funref"
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><B
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>notany</B
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></A
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> test <A HREF="26_1_Glossary.html#element"
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><EM CLASS="term"
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>elements</EM
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></A
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> of <VAR CLASS="param"
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>sequences</VAR
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> for satisfaction of a given <VAR CLASS="param"
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>predicate</VAR
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>. The first argument to <VAR CLASS="param"
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>predicate</VAR
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> is an <A HREF="26_1_Glossary.html#element"
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><EM CLASS="term"
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>element</EM
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></A
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> of the first <VAR CLASS="param"
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>sequence</VAR
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>; each succeeding argument is an <A HREF="26_1_Glossary.html#element"
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><EM CLASS="term"
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>element</EM
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></A
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> of a succeeding <VAR CLASS="param"
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>sequence</VAR
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>. </P
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><P CLASS="j"
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><VAR CLASS="param"
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>Predicate</VAR
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> is first applied to the elements with index <CODE CLASS="f"
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>0</CODE
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> in each of the <VAR CLASS="param"
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>sequences</VAR
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>, and possibly then to the elements with index <CODE CLASS="f"
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>1</CODE
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>, and so on, until a termination criterion is met or the end of the shortest of the <VAR CLASS="param"
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>sequences</VAR
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> is reached. </P
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><P CLASS="j"
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><A HREF="f_every.html" CLASS="funref"
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><B
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>every</B
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></A
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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> as soon as any invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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>. If the end of a <VAR CLASS="param"
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>sequence</VAR
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> is reached, <A HREF="f_every.html" CLASS="funref"
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><B
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>every</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>. Thus, <A HREF="f_every.html" CLASS="funref"
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><B
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>every</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> if and only if every invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
|
|
>. </P
|
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><P CLASS="j"
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><A HREF="f_every.html" CLASS="funref"
|
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><B
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>some</B
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></A
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> returns the first <A HREF="26_1_Glossary.html#non-nil"
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><EM CLASS="term"
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>non-nil</EM
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></A
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> value which is returned by an invocation of <VAR CLASS="param"
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>predicate</VAR
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>. If the end of a <VAR CLASS="param"
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>sequence</VAR
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> is reached without any invocation of the <VAR CLASS="param"
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>predicate</VAR
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> returning <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
|
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></A
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>, <A HREF="f_every.html" CLASS="funref"
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><B
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>some</B
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></A
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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>. Thus, <A HREF="f_every.html" CLASS="funref"
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><B
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>some</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> if and only if some invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>. </P
|
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><P CLASS="j"
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><A HREF="f_every.html" CLASS="funref"
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><B
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>notany</B
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></A
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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> as soon as any invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>. If the end of a <VAR CLASS="param"
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>sequence</VAR
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> is reached, <A HREF="f_every.html" CLASS="funref"
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><B
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>notany</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>. Thus, <A HREF="f_every.html" CLASS="funref"
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><B
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>notany</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> if and only if it is not the case that any invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>. </P
|
|
><P CLASS="j"
|
|
><A HREF="f_every.html" CLASS="funref"
|
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><B
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>notevery</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> as soon as any invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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>. If the end of a <VAR CLASS="param"
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>sequence</VAR
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> is reached, <A HREF="f_every.html" CLASS="funref"
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><B
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>notevery</B
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></A
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> returns <A HREF="26_1_Glossary.html#false"
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><EM CLASS="term"
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>false</EM
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></A
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>. Thus, <A HREF="f_every.html" CLASS="funref"
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><B
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>notevery</B
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></A
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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> if and only if it is not the case that every invocation of <VAR CLASS="param"
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>predicate</VAR
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> returns <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>.</P
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></DD
|
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><DT
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><B
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>Examples</B
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></DT
|
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><DD
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><PRE CLASS="screen"
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>(every #'characterp "abc") <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#true"
|
|
><EM CLASS="term"
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>true</EM
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></A
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>
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(some #'= '(1 2 3 4 5) '(5 4 3 2 1)) <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#true"
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><EM CLASS="term"
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>true</EM
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></A
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>
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(notevery #'< '(1 2 3 4) '(5 6 7 8) '(9 10 11 12)) <SPAN CLASS="cmsy"
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|
><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#false"
|
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><EM CLASS="term"
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>false</EM
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></A
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>
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(notany #'> '(1 2 3 4) '(5 6 7 8) '(9 10 11 12)) <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#true"
|
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><EM CLASS="term"
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>true</EM
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></A
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></PRE
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></DD
|
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><DT
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><B
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>Exceptional Situations</B
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></DT
|
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><DD
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><P CLASS="j"
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|
>Should signal <A HREF="t_type-error.html" CLASS="typeref"
|
|
><B
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>type-error</B
|
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></A
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> if its first argument is neither a <A HREF="26_1_Glossary.html#symbol"
|
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><EM CLASS="term"
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>symbol</EM
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></A
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> nor a <A HREF="26_1_Glossary.html#function"
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><EM CLASS="term"
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>function</EM
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></A
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> or if any subsequent argument is not a <A HREF="26_1_Glossary.html#proper_sequence"
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><EM CLASS="term"
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>proper sequence</EM
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></A
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|
>. </P
|
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><P CLASS="j"
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|
>Other exceptional situations are possible, depending on the nature of the <VAR CLASS="param"
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>predicate</VAR
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>.</P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>See Also</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
><A HREF="f_and.html" CLASS="macref"
|
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><B
|
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>and</B
|
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></A
|
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>, <A HREF="f_or.html" CLASS="macref"
|
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><B
|
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>or</B
|
|
></A
|
|
>, <A HREF="3_6_Traversal_Rules_and_Side_Effects.html#sec_3_6" CLASS="secref"
|
|
><SPAN CLASS="cmr"
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|
>Section</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>3.6</SPAN
|
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> <SPAN CLASS="cmr"
|
|
>(Traversal</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Rules</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>and</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Side</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Effects)</SPAN
|
|
></A
|
|
></P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>Notes</B
|
|
></DT
|
|
><DD
|
|
><PRE CLASS="screen"
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>(notany <VAR CLASS="param"
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|
>predicate</VAR
|
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> <SPAN CLASS="cmsy"
|
|
>{</SPAN
|
|
><VAR CLASS="param"
|
|
>sequence</VAR
|
|
><SPAN CLASS="cmsy"
|
|
>}</SPAN
|
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><SPAN CLASS="cmr"
|
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>*</SPAN
|
|
>) <SPAN CLASS="cmsy"
|
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><SPAN STYLE="font-size:16px;vertical-align:-2px"
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>≡</SPAN
|
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></SPAN
|
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> (not (some <VAR CLASS="param"
|
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>predicate</VAR
|
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> <SPAN CLASS="cmsy"
|
|
>{</SPAN
|
|
><VAR CLASS="param"
|
|
>sequence</VAR
|
|
><SPAN CLASS="cmsy"
|
|
>}</SPAN
|
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><SPAN CLASS="cmr"
|
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>*</SPAN
|
|
>))
|
|
(notevery <VAR CLASS="param"
|
|
>predicate</VAR
|
|
> <SPAN CLASS="cmsy"
|
|
>{</SPAN
|
|
><VAR CLASS="param"
|
|
>sequence</VAR
|
|
><SPAN CLASS="cmsy"
|
|
>}</SPAN
|
|
><SPAN CLASS="cmr"
|
|
>*</SPAN
|
|
>) <SPAN CLASS="cmsy"
|
|
><SPAN STYLE="font-size:16px;vertical-align:-2px"
|
|
>≡</SPAN
|
|
></SPAN
|
|
> (not (every <VAR CLASS="param"
|
|
>predicate</VAR
|
|
> <SPAN CLASS="cmsy"
|
|
>{</SPAN
|
|
><VAR CLASS="param"
|
|
>sequence</VAR
|
|
><SPAN CLASS="cmsy"
|
|
>}</SPAN
|
|
><SPAN CLASS="cmr"
|
|
>*</SPAN
|
|
>))</PRE
|
|
></DD
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></DL
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