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+<HTML><HEAD><TITLE>Isabelle Logics</TITLE></HEAD>
+<H2>Isabelle Logics</H2>
+Click on the logic's name to view a list of its theories.
+<HR>
+First-Order Logic
+<UL>
+<LI><A HREF = "FOL/00-chart.html">FOL</A>
+<LI><A HREF = "ZF/00-chart.html">ZF</A>
+<LI><A HREF = "CCL/00-chart.html">CCL</A>
+<LI><A HREF = "LCF/00-chart.html">LCF</A>
+</UL>
+<HR>
+Higher-Order Logic
+<UL>
+<LI><A HREF = "HOL/00-chart.html">HOL</A>
+<LI><A HREF = "HOLCF/00-chart.html">HOLCF</A>
+<LI><A HREF = "Old_HOL/00-chart.html">Old_HOL</A>
+</UL>
+<HR>
+Sequent Calculus
+<UL>
+<LI><A HREF = "LK/00-chart.html">LK</A>
+<LI><A HREF = "Modal/00-chart.html">Modal</A>
+</UL>
+<HR>
+Miscellaneous
+<UL>
+<LI><A HREF = "CTT/00-chart.html">CTT</A>
+<LI><A HREF = "Cube/00-chart.html">Cube</A>
+<LI><A HREF = "FOLP/00-chart.html">FOLP</A>
+</UL>
+<HR>
+</BODY></HTML>