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<a accesskey="3" href="page.php?w=propositional_logic&amp;p=2">3.Next</a>
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<p><b>Propositional logic</b> is a branch of <a href="page.php?w=classical_logic">classical logic</a>. It is also called <b>statement logic</b>, <b>sentential calculus</b>, <b>propositional calculus</b>, <b>sentential logic</b>, or sometimes <b>zeroth-order logic</b>. Sometimes, it is called <b><i>first-order propositional logic</i>' to contrast it with <a href="page.php?w=System_F">System F</a>, but it should not be confused with <a href="page.php?w=first-order_logic">first-order logic</a>. It deals with <a href="page.php?w=propositions">propositions</a></b></p><p>
<a accesskey="3" href="page.php?w=propositional_logic&amp;p=2">3.Next</a>
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