src/HOL/ex/Set_Algebras.thy
Mon, 19 Mar 2012 23:17:18 +0100 wenzelm tuned proofs;
Sat, 18 Feb 2012 10:35:45 +0100 haftmann tuned proofs
Mon, 12 Sep 2011 07:55:43 +0200 nipkow new fastforce replacing fastsimp - less confusing name
Sat, 15 Jan 2011 20:05:29 +0100 haftmann experimental variant of interpretation with simultaneous definitions, plus example
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