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<a accesskey="3" href="page.php?w=CTL%2A&amp;p=2">3.Next</a>
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<p><b>CTL*</b> is a superset of <a href="page.php?w=computational_tree_logic">computational tree logic</a> (CTL) and <a href="page.php?w=linear_temporal_logic">linear temporal logic</a> (LTL). It freely combines path quantifiers and temporal operators. Like CTL, CTL* is a branching-time logic. The formal semantics of CTL* formulae are defined with respect to a given <a href="page.php?w=Kripke_structure">Kripke structure</a>.</p>

<p><big> History </big></p>
<p>LTL had been proposed for the <a href="page.php?w=formal_verification">verification</a> of computer</p><p>
<a accesskey="3" href="page.php?w=CTL%2A&amp;p=2">3.Next</a>
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