src/HOL/Data_Structures/Tree23_Map.thy
Tue, 09 Aug 2016 17:00:36 +0200 nipkow introduced aggressive splitter "split!"
Thu, 07 Jul 2016 18:08:02 +0200 nipkow got rid of class cmp; added height-size proofs by Daniel Stuewe
less more (0) -2 tip