| Wed, 27 Oct 1999 12:50:48 +0200 |
paulson |
got rid of split_diff, which duplicated nat_diff_split, and
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| Tue, 28 Sep 1999 15:12:27 +0200 |
paulson |
zero_is_mult, by symmetry
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| Thu, 23 Sep 1999 09:04:36 +0200 |
nipkow |
Restructured lin.arith.package.
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| Tue, 21 Sep 1999 19:11:07 +0200 |
nipkow |
Mod because of new solver interface.
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| Tue, 21 Sep 1999 14:13:45 +0200 |
nipkow |
ROOT: Integ/bin_simprocs.ML now loaded in Integ/Bin.ML
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| Wed, 01 Sep 1999 21:25:55 +0200 |
wenzelm |
bind_thms;
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| Fri, 30 Jul 1999 13:42:57 +0200 |
wenzelm |
'arith' proof method;
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| Fri, 30 Jul 1999 09:37:57 +0200 |
paulson |
split_diff and remove_diff_ss
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| Tue, 27 Jul 1999 22:04:30 +0200 |
wenzelm |
fixed comment;
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| Wed, 21 Jul 1999 15:26:17 +0200 |
paulson |
a stronger diff_less and no more le_diff_less
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| Thu, 15 Jul 1999 10:27:54 +0200 |
paulson |
qed_goal -> Goal
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| Tue, 13 Jul 1999 10:41:59 +0200 |
paulson |
simplified the <= monotonicity proof
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| Sat, 10 Jul 1999 21:48:27 +0200 |
wenzelm |
handle THM/TERM exn;
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| Thu, 01 Jul 1999 10:32:57 +0200 |
paulson |
new laws mult_le_cancel1, mult_le_cancel2
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| Wed, 17 Mar 1999 16:53:46 +0100 |
wenzelm |
Theory.sign_of;
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| Wed, 03 Mar 1999 11:15:18 +0100 |
paulson |
expandshort
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| Wed, 27 Jan 1999 17:11:39 +0100 |
nipkow |
arith_tac for min/max
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| Sun, 24 Jan 1999 11:33:54 +0100 |
nipkow |
Fixed a bug in lin.arith.
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| Thu, 14 Jan 1999 13:18:09 +0100 |
nipkow |
More arith refinements.
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| Wed, 13 Jan 1999 12:16:34 +0100 |
nipkow |
Refined arithmetic.
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| Wed, 13 Jan 1999 08:41:28 +0100 |
nipkow |
Simplified arithmetic.
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| Tue, 12 Jan 1999 15:59:35 +0100 |
nipkow |
Restructured Arithmatic
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| Mon, 11 Jan 1999 16:50:49 +0100 |
nipkow |
More arith simplifications.
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| Sat, 09 Jan 1999 17:55:54 +0100 |
nipkow |
Remoaved a few now redundant rewrite rules.
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| Sat, 09 Jan 1999 15:24:11 +0100 |
nipkow |
Refined arith tactic.
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| Tue, 05 Jan 1999 17:27:59 +0100 |
nipkow |
In Main: moved Bin to the left to preserve the solver in its simpset.
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| Mon, 04 Jan 1999 15:07:47 +0100 |
nipkow |
Version 1.0 of linear nat arithmetic.
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| Fri, 27 Nov 1998 17:00:30 +0100 |
nipkow |
At last: linear arithmetic for nat!
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| Wed, 28 Oct 1998 11:25:38 +0100 |
nipkow |
added nat_diff_split and a few lemmas in Trancl.
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| Fri, 23 Oct 1998 20:44:34 +0200 |
oheimb |
corrected auto_tac (applications of unsafe wrappers)
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| Fri, 16 Oct 1998 17:32:06 +0200 |
nipkow |
Installed trans_tac in solver of simpset().
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| Fri, 02 Oct 1998 10:41:35 +0200 |
paulson |
tidying
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| Thu, 01 Oct 1998 18:29:25 +0200 |
nipkow |
a few new lemmas.
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| Wed, 23 Sep 1998 10:12:01 +0200 |
paulson |
deleted needless parentheses
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| Fri, 18 Sep 1998 14:36:03 +0200 |
paulson |
theorem le_diff_conv2; tidying and expandshort
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| Mon, 14 Sep 1998 10:17:19 +0200 |
paulson |
new theorem le_diff_conv
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| Mon, 07 Sep 1998 10:40:17 +0200 |
paulson |
tidying
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| Fri, 04 Sep 1998 11:01:59 +0200 |
nipkow |
Arith: less_diff_conv
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| 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)
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| Tue, 01 Sep 1998 10:09:11 +0200 |
paulson |
Two new subtraction lemmas
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| Thu, 20 Aug 1998 16:58:28 +0200 |
paulson |
new theorems
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| Wed, 19 Aug 1998 10:26:02 +0200 |
paulson |
Some new theorems. zero_less_diff replaces less_imp_diff_positive
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| Tue, 18 Aug 1998 10:24:09 +0200 |
paulson |
new theorem diff_Suc_less_diff
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| Thu, 13 Aug 1998 18:14:26 +0200 |
paulson |
even more tidying of Goal commands
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| Thu, 06 Aug 1998 12:45:02 +0200 |
nipkow |
Removed duplicate thms:
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| Fri, 24 Jul 1998 13:03:20 +0200 |
berghofe |
Adapted to new datatype package.
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| Wed, 15 Jul 1998 10:15:13 +0200 |
paulson |
Removal of leading "\!\!..." from most Goal commands
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| Thu, 25 Jun 1998 13:57:34 +0200 |
paulson |
Installation of target HOL-Real
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| Mon, 22 Jun 1998 17:26:46 +0200 |
wenzelm |
isatool fixgoal;
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| Mon, 27 Apr 1998 16:45:11 +0200 |
nipkow |
Added a few lemmas.
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| Thu, 12 Mar 1998 10:37:58 +0100 |
paulson |
New laws, mostly generalizing old "pred" ones
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| Wed, 11 Mar 1998 11:03:43 +0100 |
paulson |
Arith.thy -> thy; proved a few new theorems
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| Sat, 07 Mar 1998 16:29:29 +0100 |
nipkow |
Removed `addsplits [expand_if]'
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| Tue, 03 Mar 1998 15:11:26 +0100 |
paulson |
New theorem diff_Suc_le_Suc_diff; tidied another proof
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| Tue, 16 Dec 1997 17:58:03 +0100 |
wenzelm |
expandshort;
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| Fri, 12 Dec 1997 10:31:25 +0100 |
paulson |
Faster proof of mult_less_cancel2
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| Sat, 06 Dec 1997 17:05:41 +0100 |
nipkow |
Got rid of some preds and replaced some n~=0 by 0<n.
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| Thu, 04 Dec 1997 12:44:37 +0100 |
nipkow |
pred n -> n-1
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| Wed, 03 Dec 1997 17:25:43 +0100 |
nipkow |
Replaced n ~= 0 by 0 < n
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| Wed, 26 Nov 1997 16:45:54 +0100 |
wenzelm |
added Suc_mult_less_cancel1, Suc_mult_le_cancel1, Suc_mult_cancel1;
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