isabelle: Changelog

huffman [Wed, 02 Mar 2005 00:54:06 +0100] rev 15555

converted to new-style theory

nipkow [Tue, 01 Mar 2005 18:48:52 +0100] rev 15554

integrated Jeremy's FiniteLib

kleing [Tue, 01 Mar 2005 05:44:13 +0100] rev 15553

spider dogding

obua [Mon, 28 Feb 2005 18:29:55 +0100] rev 15552

added setsum_diff1' which holds in more general cases than setsum_diff1

paulson [Mon, 28 Feb 2005 13:10:36 +0100] rev 15551

unfold theorems for trancl and rtrancl

dixon [Sun, 27 Feb 2005 00:00:40 +0100] rev 15550

lucas - added more comments and an extra type to clarify the code.

berghofe [Wed, 23 Feb 2005 15:19:00 +0100] rev 15549

Modified node_trans to avoid duplication of signature stamps when undoing.

webertj [Wed, 23 Feb 2005 15:00:03 +0100] rev 15548

exception SAME removed

webertj [Wed, 23 Feb 2005 14:04:53 +0100] rev 15547

major code change: refute can now handle recursion and axiomatic type classes; 3-valued logic with two kinds of equality; some bugfixes

nipkow [Wed, 23 Feb 2005 10:23:22 +0100] rev 15546

suminf -> \<Sum>

isabelle