Tue, 14 Nov 2000 17:02:36 +0100 paulson first version of Advanced Inductive Defs section
Tue, 14 Nov 2000 13:26:48 +0100 paulson x-symbol support for Pi, Sigma, -->, : (membership)
Tue, 14 Nov 2000 13:25:59 +0100 paulson new Main.thy as in HOL, ZF
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