src/HOL/ex/InductiveInvariant.thy
Tue, 02 Aug 2011 10:36:50 +0200 krauss moved recdef package to HOL/Library/Old_Recdef.thy
Sat, 17 Oct 2009 14:43:18 +0200 wenzelm eliminated hard tabulators, guessing at each author's individual tab-width;
Fri, 17 Nov 2006 02:20:03 +0100 wenzelm more robust syntax for definition/abbreviation/notation;
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