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>
dixon [Tue, 22 Feb 2005 18:42:22 +0100] rev 15545
Lucas - fixed bug in zero_var_indexes: it was ignoring vars in the flex-flex pairs. These are now taken into account.