doc-src/TutorialI/Rules/Forward.thy
Wed, 23 Nov 2011 13:41:42 +0100 wenzelm updated proof;
Sun, 20 Jul 2008 11:19:08 +0200 haftmann (adjusted)
Fri, 02 Nov 2007 16:38:14 +0100 paulson recdef to fun
less more (0) -10 -3 tip