src/HOL/Data_Structures/Tree_Set.thy
Mon, 02 Nov 2015 18:35:30 +0100 nipkow tuned names and optimized comparison order
Tue, 13 Oct 2015 17:06:37 +0200 nipkow added invar empty
Wed, 23 Sep 2015 09:14:22 +0200 nipkow tuned
less more (0) -3 tip