src/HOL/Isar_Examples/Structured_Statements.thy
Sat, 05 Jan 2019 17:24:33 +0100 wenzelm isabelle update -u control_cartouches;
Tue, 02 Aug 2016 18:44:37 +0200 wenzelm tuned;
Sun, 14 Feb 2016 16:40:00 +0100 wenzelm more explicit dummy proofs;
less more (0) -3 tip