src/HOL/ex/Adder.thy
Sat, 23 Jun 2007 19:33:22 +0200 nipkow tuned and renamed group_eq_simps and ring_eq_simps
Fri, 17 Nov 2006 02:20:03 +0100 wenzelm more robust syntax for definition/abbreviation/notation;
less more (0) -2 tip