haftmann [Fri, 02 Nov 2007 18:52:57 +0100] rev 25266
clarified
paulson [Fri, 02 Nov 2007 16:38:37 +0100] rev 25265
tweaked
paulson [Fri, 02 Nov 2007 16:38:14 +0100] rev 25264
recdef to fun
nipkow [Fri, 02 Nov 2007 15:56:49 +0100] rev 25263
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kleing [Fri, 02 Nov 2007 12:35:27 +0100] rev 25262
Added reference to Jeremy Dawson's paper on the word library.
Added header to remaining word/*.thy files so they show up in toc.
nipkow [Fri, 02 Nov 2007 08:59:15 +0100] rev 25261
recdef -> fun
nipkow [Fri, 02 Nov 2007 08:26:01 +0100] rev 25260
added Fun
haftmann [Fri, 02 Nov 2007 08:17:33 +0100] rev 25259
tuned
nipkow [Thu, 01 Nov 2007 20:20:19 +0100] rev 25258
recdef -> fun
nipkow [Thu, 01 Nov 2007 13:44:44 +0100] rev 25257
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paulson [Wed, 31 Oct 2007 15:10:34 +0100] rev 25256
Catch exceptions arising during the abstraction operation.
Filter out theorems that are "too deep".
chaieb [Wed, 31 Oct 2007 12:19:45 +0100] rev 25255
Added example for the ideal membership problem solved by algebra
chaieb [Wed, 31 Oct 2007 12:19:44 +0100] rev 25254
Added field ideal into entry - uses by algebra method to prove the ideal membership problem
chaieb [Wed, 31 Oct 2007 12:19:43 +0100] rev 25253
changed signature according to normalizer_data.ML
chaieb [Wed, 31 Oct 2007 12:19:41 +0100] rev 25252
tuned
chaieb [Wed, 31 Oct 2007 12:19:37 +0100] rev 25251
(1) signatures updated according to normalizer_data.ML (added field ideal in entry);
(2) For a theory the conversions returned are now ring_conv (as before, proves a universal statement), simple_ideal proves ideal membership for one polynomial ; multi_ideal solves the more general ideal membership for several existentially quantifier variables involved in several conjunctions; a simpset containing a simproc to turn x = y into p = 0 where p is the normal form of x - y;
(3) Added ideal_tac a tactic to prove general ideal membership (cf. John Harrision CADE 2007) ;
(4) Added algebra_tac : first tries ring_tac (old algebra) then ideal_tac
chaieb [Wed, 31 Oct 2007 12:19:35 +0100] rev 25250
(1) added axiom to ringb and theorems to enable algebra to prove the ideal membership problem; (2) Method algebra now calls algebra_tac which first tries to solve a universal formula, then in case of failure trie to solve the ideal membership problem (see HOL/Tools/Groebner_Basis/groebner.ML)
chaieb [Wed, 31 Oct 2007 12:19:33 +0100] rev 25249
exported field_comp_conv: a numerical conversion over fields
haftmann [Wed, 31 Oct 2007 10:37:14 +0100] rev 25248
dropped AxClass
haftmann [Wed, 31 Oct 2007 10:10:50 +0100] rev 25247
tuned
berghofe [Tue, 30 Oct 2007 17:58:03 +0100] rev 25246
Handle Subscript exception when looking up bound variables.
berghofe [Tue, 30 Oct 2007 17:56:56 +0100] rev 25245
Added well-formedness check to Abst case in function prf_of.
haftmann [Tue, 30 Oct 2007 16:00:30 +0100] rev 25244
added omission
paulson [Tue, 30 Oct 2007 15:28:53 +0100] rev 25243
bugfixes concerning strange theorems
haftmann [Tue, 30 Oct 2007 15:13:48 +0100] rev 25242
fixed typo
haftmann [Tue, 30 Oct 2007 14:39:37 +0100] rev 25241
const antiquotation clarified
haftmann [Tue, 30 Oct 2007 14:39:36 +0100] rev 25240
clarified
haftmann [Tue, 30 Oct 2007 14:39:35 +0100] rev 25239
handling of notation in class target