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<head><title>The Isabelle Library ({ISABELLE})</title></head>
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<img align=bottom src="isabelle.gif" width="100" height="86" alt="[Isabelle]">
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<font face="Helvetica,Arial" size="+2">The Isabelle Library</font>
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Higher-Order Logic
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<li><a href="HOL/index.html">HOL (Simply-typed Set Theory)</a>
<li><a href="HOLCF/index.html">HOLCF (Higher-Order Logic of Computable Functions)</a>
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First-Order Logic
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<li><a href="FOL/index.html">FOL (Many-sorted First-Order Logic)</a>
<li><a href="ZF/index.html">ZF (Set Theory)</a>
<li><a href="CCL/index.html">CCL (Classical Computational Logic)</a>
<li><a href="LCF/index.html">LCF (Logic of Computable Functions)</a>
<li><a href="FOLP/index.html">FOLP (FOL with Proof Terms)</a>
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Miscellaneous
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<li><a href="Sequents/index.html">Sequents (first-order, modal and linear logics)</a>
<li><a href="CTT/index.html">CTT (Constructive Type Theory)</a>
<li><a href="Cube/index.html">Cube (The Lambda Cube)</a>
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