23 lines
944 B
HTML
23 lines
944 B
HTML
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<html>
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<!-- the original document had <20> - I changed that to – - then – -->
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<head>
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<title>[ #445557 ] Convert Symbol font chars to Unicode</title>
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</head>
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<body>
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<P>The predicate calculus has a number of theorems and axioms for proving logical statements. Here are the main symbols used in predicate calculus:</P>
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<P>P(x)	– proposition – a logical statement in the condition x.</P>
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<P>x	– any condition <B>in the set of possible conditions</B>.</P>
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<P>c	– a particular condition <B>in the set of possible conditions</B>.</P>
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<P><FONT FACE="Symbol">"</FONT>
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	– "For every"</P>
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<P><FONT FACE="Symbol">$</FONT>
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	– "Exists"</P>
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<P><FONT FACE="Symbol">®</FONT>
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	– Implication</P>
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<P><FONT FACE="Symbol">Ù</FONT>
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	– Conjunction (logical and)</P>
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<P><FONT FACE="Symbol">Ú</FONT>
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	– Disjunction (logical or)</P>
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</body>
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</html>
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