src/HOL/Arith.ML
Wed, 23 Sep 1998 10:12:01 +0200 paulson deleted needless parentheses
Fri, 18 Sep 1998 14:36:03 +0200 paulson theorem le_diff_conv2; tidying and expandshort
Mon, 14 Sep 1998 10:17:19 +0200 paulson new theorem le_diff_conv
Mon, 07 Sep 1998 10:40:17 +0200 paulson tidying
Fri, 04 Sep 1998 11:01:59 +0200 nipkow Arith: less_diff_conv
Tue, 01 Sep 1998 15:03:10 +0200 paulson changed Suc_diff_n to Suc_diff_le, with premise n <= m instead of n < Suc(m)
Tue, 01 Sep 1998 10:09:11 +0200 paulson Two new subtraction lemmas
Thu, 20 Aug 1998 16:58:28 +0200 paulson new theorems
Wed, 19 Aug 1998 10:26:02 +0200 paulson Some new theorems. zero_less_diff replaces less_imp_diff_positive
Tue, 18 Aug 1998 10:24:09 +0200 paulson new theorem diff_Suc_less_diff
Thu, 13 Aug 1998 18:14:26 +0200 paulson even more tidying of Goal commands
Thu, 06 Aug 1998 12:45:02 +0200 nipkow Removed duplicate thms:
Fri, 24 Jul 1998 13:03:20 +0200 berghofe Adapted to new datatype package.
Wed, 15 Jul 1998 10:15:13 +0200 paulson Removal of leading "\!\!..." from most Goal commands
Thu, 25 Jun 1998 13:57:34 +0200 paulson Installation of target HOL-Real
Mon, 22 Jun 1998 17:26:46 +0200 wenzelm isatool fixgoal;
Mon, 27 Apr 1998 16:45:11 +0200 nipkow Added a few lemmas.
Thu, 12 Mar 1998 10:37:58 +0100 paulson New laws, mostly generalizing old "pred" ones
Wed, 11 Mar 1998 11:03:43 +0100 paulson Arith.thy -> thy; proved a few new theorems
Sat, 07 Mar 1998 16:29:29 +0100 nipkow Removed `addsplits [expand_if]'
Tue, 03 Mar 1998 15:11:26 +0100 paulson New theorem diff_Suc_le_Suc_diff; tidied another proof
Tue, 16 Dec 1997 17:58:03 +0100 wenzelm expandshort;
Fri, 12 Dec 1997 10:31:25 +0100 paulson Faster proof of mult_less_cancel2
Sat, 06 Dec 1997 17:05:41 +0100 nipkow Got rid of some preds and replaced some n~=0 by 0<n.
Thu, 04 Dec 1997 12:44:37 +0100 nipkow pred n -> n-1
Wed, 03 Dec 1997 17:25:43 +0100 nipkow Replaced n ~= 0 by 0 < n
Wed, 26 Nov 1997 16:45:54 +0100 wenzelm added Suc_mult_less_cancel1, Suc_mult_le_cancel1, Suc_mult_cancel1;
Wed, 05 Nov 1997 13:29:47 +0100 paulson Expandshort; new theorem le_square
Mon, 03 Nov 1997 12:13:18 +0100 wenzelm isatool fixclasimp;
Fri, 17 Oct 1997 15:25:12 +0200 nipkow setloop split_tac -> addsplits
Thu, 16 Oct 1997 15:23:25 +0200 paulson New simprule diff_le_self, requiring a new proof of diff_diff_cancel
Thu, 16 Oct 1997 14:12:15 +0200 nipkow Various new lemmas. Improved conversion of equations to rewrite rules:
Fri, 10 Oct 1997 19:02:28 +0200 wenzelm fixed dots;
Mon, 29 Sep 1997 11:37:02 +0200 paulson Step_tac -> Safe_tac
Fri, 26 Sep 1997 10:21:14 +0200 paulson Minor tidying to use Clarify_tac, etc.
Wed, 02 Jul 1997 11:59:10 +0200 nipkow Added the following lemmas tp Divides and a few others to Arith and NatDef:
Mon, 23 Jun 1997 10:42:03 +0200 paulson Ran expandshort
Wed, 04 Jun 1997 16:03:54 +0200 wenzelm eliminated non-ASCII;
Mon, 02 Jun 1997 12:12:27 +0200 paulson New theorems le_add_diff_inverse, le_add_diff_inverse2
Fri, 30 May 1997 15:15:57 +0200 paulson Moving div and mod from Arith to Divides
Tue, 27 May 1997 13:03:41 +0200 paulson New theorems suggested by Florian Kammueller
Mon, 26 May 1997 12:36:16 +0200 paulson Tidying and a couple of useful lemmas
Thu, 22 May 1997 15:07:45 +0200 paulson New lemmas used for ex/Fib
Tue, 20 May 1997 11:37:57 +0200 paulson New theorems from Hoare/Arith2.ML
Wed, 09 Apr 1997 12:32:04 +0200 paulson Using Blast_tac
Tue, 25 Feb 1997 15:11:56 +0100 pusch minor changes due to new primrec definitions for +,-,*
Thu, 09 Jan 1997 10:22:42 +0100 paulson New theorem add_leE
Wed, 16 Oct 1996 10:37:17 +0200 nipkow Defined pred using nat_case rather than nat_rec.
Thu, 26 Sep 1996 12:47:47 +0200 paulson Ran expandshort
Mon, 23 Sep 1996 18:09:53 +0200 paulson Proof of mult_le_mono is now more robust
Thu, 12 Sep 1996 10:32:43 +0200 paulson Change to best_tac required to prevent looping
Mon, 19 Aug 1996 11:15:44 +0200 paulson Removal of less_SucE as default SE rule
Fri, 14 Jun 1996 12:22:42 +0200 paulson New lemmas for gcd example
Mon, 03 Jun 1996 17:10:56 +0200 berghofe best_tac, deepen_tac and safe_tac now also use default claset.
Fri, 24 May 1996 12:27:04 +0200 berghofe Rules pred_0, pred_Suc etc. are now stored in theorem database.
Thu, 23 May 1996 14:37:06 +0200 berghofe Replaced fast_tac by Fast_tac (which uses default claset)
Wed, 01 May 1996 13:48:31 +0200 paulson New cancellation and monotonicity laws, about
Wed, 17 Apr 1996 17:59:58 +0200 oheimb *** empty log message ***
Thu, 11 Apr 1996 08:30:25 +0200 nipkow Added a number of lemmas
Thu, 28 Mar 1996 12:36:50 +0100 paulson Moved even/odd lemmas from ex/Mutil to Arith
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