src/HOL/Data_Structures/Tree2.thy
Thu, 12 Nov 2020 12:44:17 +0100 nipkow tuned
Mon, 03 Aug 2020 16:21:33 +0200 nipkow added lemma
Thu, 23 Apr 2020 23:08:29 +0200 nipkow tuned document
less more (0) -10 -3 tip