src/HOL/Data_Structures/RBT_Set.thy
Thu, 18 Jul 2024 15:17:46 +0200 nipkow added nicer proof
Tue, 08 Dec 2020 17:40:43 +0100 nipkow tuned
Thu, 12 Nov 2020 12:44:17 +0100 nipkow tuned
less more (0) -30 -10 -3 tip