| Mon, 22 Oct 2001 11:54:22 +0200 |
Numerals now work for the integers: the binary numerals for 0 and 1 rewrite
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| Fri, 05 Oct 2001 21:52:39 +0200 |
sane numerals (stage 1): added generic 1, removed 1' and 2 on nat,
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| Wed, 03 Oct 2001 20:54:16 +0200 |
tuned parentheses in relational expressions;
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| Mon, 06 Aug 2001 13:43:24 +0200 |
turned translation for 1::nat into def.
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| Mon, 06 Aug 2001 12:42:43 +0200 |
removed an unsuitable default simprule
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| Thu, 31 May 2001 16:50:14 +0200 |
added nat_not_singleton (also to simpset)
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| Tue, 22 May 2001 15:11:43 +0200 |
Representing set for type nat is now defined via "inductive".
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| Thu, 15 Feb 2001 16:00:38 +0100 |
moved wf_less from Nat.ML to NatDef.ML
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| Wed, 10 Jan 2001 11:14:30 +0100 |
generalizing the LEAST theorems from "nat" to linear
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| Tue, 09 Jan 2001 15:22:13 +0100 |
`` -> and ``` -> ``
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| Wed, 20 Dec 2000 12:14:50 +0100 |
generalized the re-orientation 0f 0=... to all types
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| Tue, 19 Dec 2000 15:20:23 +0100 |
re-orienting equations with 0, 1, 2 on the lhs
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| Tue, 17 Oct 2000 10:21:12 +0200 |
renaming of contrapos rules
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| Thu, 12 Oct 2000 13:01:19 +0200 |
induct -> lfp_induct
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| Wed, 11 Oct 2000 09:09:06 +0200 |
*** empty log message ***
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| Fri, 15 Sep 2000 12:39:57 +0200 |
renamed (most of...) the select rules
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| Wed, 06 Sep 2000 08:04:41 +0200 |
less_induct -> nat_less_induct
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| Wed, 28 Jun 2000 10:40:06 +0200 |
using the new theorem wf_not_refl; tidied
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| Thu, 22 Jun 2000 23:04:34 +0200 |
bind_thm(s);
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| Tue, 23 May 2000 18:28:11 +0200 |
added type constraint ::nat because 0 is now overloaded
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| Wed, 19 Apr 2000 11:09:59 +0200 |
removal of less_SucI, le_SucI from default simpset
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| Wed, 22 Mar 2000 13:22:39 +0100 |
Suc_less_eq now with AddIffs. How could this have been overlooked?
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| Fri, 23 Jul 1999 12:10:42 +0200 |
New lemmas by Stefan Merz.
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| Mon, 19 Jul 1999 15:19:11 +0200 |
getting rid of qed_goal
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| Wed, 13 Jan 1999 12:16:34 +0100 |
Refined arithmetic.
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| Wed, 13 Jan 1999 08:41:28 +0100 |
Simplified arithmetic.
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| Sat, 09 Jan 1999 17:55:54 +0100 |
Remoaved a few now redundant rewrite rules.
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| Fri, 27 Nov 1998 17:00:30 +0100 |
At last: linear arithmetic for nat!
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| Fri, 16 Oct 1998 17:32:06 +0200 |
Installed trans_tac in solver of simpset().
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| Thu, 01 Oct 1998 18:23:00 +0200 |
tidied
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| Fri, 18 Sep 1998 14:39:08 +0200 |
new theorem less_Suc_eq_le and le_simps
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| Fri, 11 Sep 1998 16:25:24 +0200 |
fixed comment
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| Thu, 10 Sep 1998 18:06:39 +0200 |
well-formed asym rules; also adds less_irrefl, le_refl since order_refl
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| Thu, 20 Aug 1998 16:47:52 +0200 |
new theorems; adds [le_refl, less_imp_le] as simprules
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| Thu, 13 Aug 1998 18:14:26 +0200 |
even more tidying of Goal commands
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| Fri, 24 Jul 1998 13:30:28 +0200 |
Removed nat_case, nat_rec, and natE (now provided by datatype
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| Wed, 15 Jul 1998 14:19:02 +0200 |
More tidying and removal of "\!\!... from Goal commands
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| Wed, 15 Jul 1998 10:15:13 +0200 |
Removal of leading "\!\!..." from most Goal commands
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| Sun, 12 Jul 1998 11:49:17 +0200 |
isatool expandshort;
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| Mon, 22 Jun 1998 17:26:46 +0200 |
isatool fixgoal;
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| Mon, 27 Apr 1998 16:45:11 +0200 |
Added a few lemmas.
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| Wed, 22 Apr 1998 14:06:05 +0200 |
Modifications due to improved simplifier.
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| Mon, 16 Mar 1998 16:47:57 +0100 |
re-ordered proofs
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| Thu, 12 Mar 1998 10:39:19 +0100 |
The theorem nat_neqE, and some tidying
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| Sat, 07 Mar 1998 16:29:29 +0100 |
Removed `addsplits [expand_if]'
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| Fri, 20 Feb 1998 17:56:39 +0100 |
Congruence rules use == in premises now.
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| Fri, 20 Feb 1998 11:07:51 +0100 |
New theorem eq_imp_le
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| Tue, 10 Feb 1998 10:26:58 +0100 |
New AddIffs le_0_eq and neq0_conv
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| Thu, 05 Feb 1998 10:46:31 +0100 |
New max, min theorems
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| Thu, 08 Jan 1998 18:09:07 +0100 |
added select_equality to the implicit claset
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| Tue, 23 Dec 1997 11:40:47 +0100 |
tidied
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| Tue, 16 Dec 1997 17:58:03 +0100 |
expandshort;
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| Wed, 03 Dec 1997 17:25:43 +0100 |
Replaced n ~= 0 by 0 < n
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| Wed, 05 Nov 1997 13:23:46 +0100 |
Ran expandshort, especially to introduce Safe_tac
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| Mon, 03 Nov 1997 21:12:21 +0100 |
nat datatype_info moved to Nat.thy;
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| Mon, 03 Nov 1997 12:13:18 +0100 |
isatool fixclasimp;
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| Thu, 30 Oct 1997 09:45:03 +0100 |
For each datatype `t' there is now a theorem `split_t_case' of the form
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| Fri, 24 Oct 1997 17:25:33 +0200 |
ProtoPure.flexpair_def;
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| Fri, 10 Oct 1997 19:02:28 +0200 |
fixed dots;
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| Wed, 01 Oct 1997 18:13:41 +0200 |
fully qualified names: Theory.add_XXX;
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