src/HOL/Data_Structures/Tree234_Set.thy
Thu, 29 Aug 2019 13:07:56 +0200 nipkow tuned proof
Sat, 05 Jan 2019 17:24:33 +0100 wenzelm isabelle update -u control_cartouches;
Wed, 13 Jun 2018 15:24:20 +0200 nipkow qualify interpretations to avoid clashes
less more (0) -10 -3 tip