| Fri, 02 Mar 2007 15:43:21 +0100 |
haftmann |
now using "class"
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| Mon, 13 Nov 2006 15:43:05 +0100 |
haftmann |
dropped Inductive dependency
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| Thu, 09 Nov 2006 00:43:12 +0100 |
huffman |
added lemma mult_mono'
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| Tue, 07 Nov 2006 09:33:47 +0100 |
krauss |
* Added annihilation axioms ("x * 0 = 0") to axclass semiring_0.
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| Wed, 20 Sep 2006 00:24:24 +0200 |
wenzelm |
renamed axclass_xxxx axclasses;
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| Tue, 19 Sep 2006 18:13:10 +0200 |
obua |
renamed axclass_xxxx axclasses
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| Sun, 10 Sep 2006 05:34:24 +0200 |
huffman |
added axclass division_ring (like field without commutativity; includes e.g. quaternions) and generalized some theorems from field to division_ring
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| Mon, 10 Apr 2006 16:00:34 +0200 |
obua |
Moved stuff from Ring_and_Field to Matrix
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| Wed, 11 Jan 2006 11:00:26 +0100 |
paulson |
tidied, and added missing thm divide_less_eq_1_neg
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| Mon, 09 Jan 2006 13:28:06 +0100 |
paulson |
simplified the special-case simprules
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| Tue, 16 Aug 2005 18:53:11 +0200 |
paulson |
more simprules now have names
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| Tue, 12 Jul 2005 17:56:03 +0200 |
avigad |
added lemmas to OrderedGroup.thy (reasoning about signs, absolute value, triangle inequalities)
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| Sat, 25 Jun 2005 16:06:17 +0200 |
nipkow |
Changes due to new abel_cancel.ML
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| Wed, 04 May 2005 10:42:43 +0200 |
nipkow |
fixed lin.arith
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| Tue, 19 Apr 2005 10:59:31 +0200 |
obua |
Removed mult_commute axiom from comm_semiring axclass.
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| Mon, 07 Mar 2005 18:19:55 +0100 |
obua |
Cleaning up HOL/Matrix
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| Tue, 01 Feb 2005 18:01:57 +0100 |
paulson |
the new subst tactic, by Lucas Dixon
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| Thu, 07 Oct 2004 15:42:30 +0200 |
paulson |
simplification tweaks for better arithmetic reasoning
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| Tue, 05 Oct 2004 15:30:50 +0200 |
paulson |
new simprules for abs and for things like a/b<1
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| Mon, 04 Oct 2004 15:28:03 +0200 |
paulson |
revised simprules for division
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| Fri, 10 Sep 2004 20:04:14 +0200 |
nipkow |
Added antisymmetry simproc
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| Fri, 03 Sep 2004 17:10:36 +0200 |
obua |
Matrix theory, linear programming
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| Wed, 18 Aug 2004 11:09:40 +0200 |
nipkow |
import -> imports
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| Mon, 16 Aug 2004 14:22:27 +0200 |
nipkow |
New theory header syntax.
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| Mon, 26 Jul 2004 17:34:52 +0200 |
paulson |
converting Hyperreal/Transcendental to Isar script
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| Tue, 29 Jun 2004 11:18:34 +0200 |
kleing |
license change to BSD
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| Mon, 14 Jun 2004 14:20:55 +0200 |
obua |
Further development of matrix theory
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| Fri, 21 May 2004 21:16:51 +0200 |
wenzelm |
removed duplicate thms;
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| Tue, 18 May 2004 10:01:44 +0200 |
obua |
Modification / Installation of Provers/Arith/abel_cancel.ML for OrderedGroup.thy
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| Tue, 11 May 2004 20:11:08 +0200 |
obua |
changes made due to new Ring_and_Field theory
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| Fri, 16 Apr 2004 20:33:16 +0200 |
nipkow |
Moved ring stuff from ex into Ring_and_Field.
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| Thu, 15 Apr 2004 14:17:45 +0200 |
nipkow |
Added ex/Exceptions.thy
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| Thu, 01 Apr 2004 10:54:32 +0200 |
paulson |
new type class abelian_group
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| Fri, 19 Mar 2004 10:48:22 +0100 |
paulson |
new thms
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| Thu, 04 Mar 2004 12:06:07 +0100 |
paulson |
new material from Avigad, and simplified treatment of division by 0
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| Mon, 01 Mar 2004 13:51:21 +0100 |
paulson |
new Ring_and_Field hierarchy, eliminating redundant axioms
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| Thu, 19 Feb 2004 15:57:34 +0100 |
ballarin |
Efficient, graph-based reasoner for linear and partial orders.
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| Sun, 15 Feb 2004 10:46:37 +0100 |
paulson |
Polymorphic treatment of binary arithmetic using axclasses
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| Thu, 05 Feb 2004 10:45:28 +0100 |
paulson |
tidying up, especially the Complex numbers
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| Thu, 29 Jan 2004 16:51:17 +0100 |
paulson |
simplifications in the hyperreals
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| Wed, 28 Jan 2004 10:41:49 +0100 |
paulson |
converted Real/Lubs to Isar script. Converting arithmetic setup
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| Tue, 27 Jan 2004 15:39:51 +0100 |
paulson |
replacing HOL/Real/PRat, PNat by the rational number development
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| Mon, 12 Jan 2004 16:51:45 +0100 |
paulson |
Added lemmas to Ring_and_Field with slightly modified simplification rules
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| Fri, 09 Jan 2004 10:46:18 +0100 |
paulson |
Defining the type class "ringpower" and deleting superseded theorems for
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| Tue, 06 Jan 2004 10:40:15 +0100 |
paulson |
Ring_and_Field now requires axiom add_left_imp_eq for semirings.
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| Thu, 01 Jan 2004 10:06:32 +0100 |
paulson |
tweaking of lemmas in RealDef, RealOrd
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| Sat, 27 Dec 2003 21:02:14 +0100 |
paulson |
re-organized numeric lemmas
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| Tue, 23 Dec 2003 14:46:08 +0100 |
paulson |
new theorems
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| Fri, 19 Dec 2003 17:13:28 +0100 |
paulson |
tidying first part of HyperArith0.ML, using generic lemmas
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| Mon, 15 Dec 2003 16:38:25 +0100 |
paulson |
more general lemmas for Ring_and_Field
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| Sat, 13 Dec 2003 09:33:52 +0100 |
paulson |
absolute value theorems moved to HOL/Ring_and_Field
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| Fri, 12 Dec 2003 15:05:18 +0100 |
paulson |
moving some division theorems to Ring_and_Field
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| Wed, 10 Dec 2003 15:59:34 +0100 |
paulson |
Moving some theorems from Real/RealArith0.ML
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| Sun, 07 Dec 2003 16:30:06 +0100 |
paulson |
re-organisation of Real/RealArith0.ML; more `Isar scripts
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| Fri, 05 Dec 2003 18:10:59 +0100 |
paulson |
more field division lemmas transferred from Real to Ring_and_Field
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| Thu, 04 Dec 2003 10:29:17 +0100 |
paulson |
Tidying of the integer development; towards removing the
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| Tue, 02 Dec 2003 11:48:15 +0100 |
paulson |
More re-organising of numerical theorems
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| Fri, 28 Nov 2003 12:09:37 +0100 |
paulson |
conversion of some Real theories to Isar scripts
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| Thu, 27 Nov 2003 10:47:55 +0100 |
paulson |
Removal of Hyperreal/ExtraThms2.ML, sending the material to the correct files.
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| Tue, 25 Nov 2003 10:37:03 +0100 |
paulson |
More refinements to Ring_and_Field and numerics. Conversion of Divides_lemmas
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