Tue, 01 Apr 2003 17:43:10 +0200 nipkow Made empty a translation rather than a constant.
Tue, 01 Apr 2003 16:08:34 +0200 ballarin Fixed Coset.thy (proved theorem factorgroup_is_group).
Mon, 31 Mar 2003 12:29:54 +0200 paulson more comments and tweaks
Mon, 31 Mar 2003 12:29:26 +0200 paulson tidied
Sat, 29 Mar 2003 12:28:53 +0100 berghofe Margin for pretty-printing is now a mutable reference.
Wed, 26 Mar 2003 12:25:56 +0100 paulson Proofs for section 4.5.3
Tue, 25 Mar 2003 10:03:11 +0100 berghofe Added show_brackets to settings menu.
Tue, 25 Mar 2003 09:58:51 +0100 berghofe Re-structured some proofs in order to get rid of rule_format attribute.
Tue, 25 Mar 2003 09:56:01 +0100 berghofe New theorems split_div' and mod_div_equality'.
Tue, 25 Mar 2003 09:52:21 +0100 berghofe Presburger arithmetic
Tue, 25 Mar 2003 09:50:53 +0100 berghofe Added examples for Presburger arithmetic.
Tue, 25 Mar 2003 09:49:45 +0100 berghofe Added decision procedure for Presburger arithmetic.
Tue, 25 Mar 2003 09:49:13 +0100 berghofe Added Presburger theory.
Tue, 25 Mar 2003 09:48:38 +0100 berghofe Added hook for presburger arithmetic decision procedure.
Tue, 25 Mar 2003 09:47:05 +0100 berghofe New decision procedure for Presburger arithmetic.
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