src/HOL/Wellfounded_Recursion.thy
Fri, 07 Mar 2008 13:53:04 +0100 haftmann whitespace tuning
Thu, 28 Feb 2008 12:56:30 +0100 wenzelm wf_trancl: structured proof;
Thu, 21 Feb 2008 17:33:58 +0100 nipkow moved bij_betw from Library/FuncSet to Fun, redistributed some lemmas, and
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