isabelle: Changelog

ballarin [Tue, 01 Apr 2003 16:08:34 +0200] rev 13889

Fixed Coset.thy (proved theorem factorgroup_is_group).

paulson [Mon, 31 Mar 2003 12:29:54 +0200] rev 13888

more comments and tweaks

paulson [Mon, 31 Mar 2003 12:29:26 +0200] rev 13887

tidied

berghofe [Sat, 29 Mar 2003 12:28:53 +0100] rev 13886

Margin for pretty-printing is now a mutable reference.

paulson [Wed, 26 Mar 2003 12:25:56 +0100] rev 13885

Proofs for section 4.5.3

berghofe [Tue, 25 Mar 2003 10:03:11 +0100] rev 13884

Added show_brackets to settings menu.

berghofe [Tue, 25 Mar 2003 09:58:51 +0100] rev 13883

Re-structured some proofs in order to get rid of rule_format attribute.

berghofe [Tue, 25 Mar 2003 09:56:01 +0100] rev 13882

New theorems split_div' and mod_div_equality'.

berghofe [Tue, 25 Mar 2003 09:52:21 +0100] rev 13881

Presburger arithmetic

berghofe [Tue, 25 Mar 2003 09:50:53 +0100] rev 13880

Added examples for Presburger arithmetic.

isabelle