src/HOL/Tools/prop_logic.ML
Mon, 10 Jan 2011 15:45:46 +0100 wenzelm eliminated Int.toString;
Sat, 08 Jan 2011 16:01:51 +0100 wenzelm modernized structure Prop_Logic;
Fri, 07 Jan 2011 17:07:00 +0100 wenzelm tuned whitespace, indentation, comments;
Fri, 27 Aug 2010 10:56:46 +0200 haftmann formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
Thu, 19 Aug 2010 16:08:59 +0200 haftmann tuned quotes
Thu, 19 Aug 2010 11:02:14 +0200 haftmann use antiquotations for remaining unqualified constants in HOL
Tue, 27 Oct 2009 17:34:00 +0100 wenzelm normalized basic type abbreviations;
Wed, 21 Oct 2009 12:02:56 +0200 haftmann curried union as canonical list operation
Wed, 21 Oct 2009 08:16:25 +0200 haftmann merged
Wed, 21 Oct 2009 08:14:38 +0200 haftmann dropped redundant gen_ prefix
Tue, 20 Oct 2009 16:13:01 +0200 haftmann replaced old_style infixes eq_set, subset, union, inter and variants by generic versions
Tue, 20 Oct 2009 20:54:31 +0200 wenzelm uniform use of Integer.min/max;
Tue, 29 Sep 2009 16:24:36 +0200 wenzelm explicit indication of Unsynchronized.ref;
Thu, 21 May 2009 15:25:26 +0100 webertj implementation of definitional CNF improved
Wed, 14 Mar 2007 01:35:02 +0100 webertj is_nnf/is_cnf added, defcnf does nothing now if the formula already is in CNF
Thu, 31 Aug 2006 02:59:08 +0200 webertj term_of_prop_formula added
Sun, 09 Oct 2005 17:06:03 +0200 webertj Tactics sat and satx reimplemented, several improvements
Tue, 26 Jul 2005 14:14:13 +0200 webertj comment modified
Mon, 25 Jul 2005 21:40:43 +0200 webertj defcnf renamed to auxcnf, new defcnf algorithm added, simplify added
Mon, 25 Jul 2005 15:51:30 +0200 webertj defcnf modified to internally use a reference
Thu, 03 Mar 2005 12:43:01 +0100 skalberg Move towards standard functions.
Wed, 23 Feb 2005 15:00:03 +0100 webertj exception SAME removed
Fri, 19 Nov 2004 17:52:07 +0100 webertj comment modified
Thu, 17 Jun 2004 21:58:51 +0200 webertj improved defcnf conversion
Sun, 13 Jun 2004 17:57:35 +0200 webertj faster defcnf conversion
Mon, 17 May 2004 14:05:06 +0200 webertj Comments fixed
Wed, 28 Apr 2004 10:45:35 +0200 webertj comments modified
Wed, 10 Mar 2004 20:27:56 +0100 webertj Formulas of propositional logic
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