| Wed, 08 Jul 2015 20:19:12 +0200 |
haftmann |
tuned facts
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| Wed, 08 Jul 2015 14:01:41 +0200 |
haftmann |
avoid explicit definition of the relation of associated elements in a ring -- prefer explicit normalization instead
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| Wed, 08 Jul 2015 14:01:34 +0200 |
haftmann |
moved normalization and unit_factor into Main HOL corpus
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| Tue, 30 Jun 2015 13:56:16 +0100 |
paulson |
Useful lemmas. The theorem concerning swapping the variables in a double integral.
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| Thu, 25 Jun 2015 15:01:42 +0200 |
haftmann |
more theorems
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| Tue, 23 Jun 2015 16:55:28 +0100 |
paulson |
Amalgamation of the class comm_semiring_1_diff_distrib into comm_semiring_1_cancel. Moving axiom le_add_diff_inverse2 from semiring_numeral_div to linordered_semidom.
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| Sat, 20 Jun 2015 15:43:36 +0200 |
wenzelm |
avoid suspicious Unicode;
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| Fri, 19 Jun 2015 07:53:35 +0200 |
haftmann |
separate class for notions specific for integral (semi)domains, in contrast to fields where these are trivial
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| Fri, 19 Jun 2015 07:53:33 +0200 |
haftmann |
generalized some theorems about integral domains and moved to HOL theories
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| Fri, 12 Jun 2015 08:53:23 +0200 |
haftmann |
uniform _ div _ as infix syntax for ring division
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| Mon, 01 Jun 2015 18:59:22 +0200 |
haftmann |
implicit partial divison operation in integral domains
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| Mon, 01 Jun 2015 18:59:21 +0200 |
haftmann |
separate class for division operator, with particular syntax added in more specific classes
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| Thu, 02 Apr 2015 11:22:22 +0200 |
haftmann |
semidom contains distributive minus, by convention
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| Tue, 31 Mar 2015 16:48:48 +0100 |
paulson |
rationalised and generalised some theorems concerning abs and x^2.
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| Sat, 28 Mar 2015 21:32:48 +0100 |
haftmann |
clarified no_zero_devisors: makes only sense in a semiring;
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| Sat, 28 Mar 2015 20:43:19 +0100 |
haftmann |
dropped long-outdated comments
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| Mon, 23 Mar 2015 19:05:14 +0100 |
haftmann |
distributivity of partial minus establishes desired properties of dvd in semirings
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| Thu, 19 Feb 2015 11:53:36 +0100 |
haftmann |
establish unique preferred fact names
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| Wed, 18 Feb 2015 22:46:48 +0100 |
haftmann |
eliminated fact duplicates
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| Sat, 14 Feb 2015 10:24:15 +0100 |
haftmann |
fact consolidation
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| Mon, 17 Nov 2014 14:55:33 +0100 |
haftmann |
generalized lemmas (particularly concerning dvd) as far as appropriate
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| Thu, 13 Nov 2014 17:19:52 +0100 |
hoelzl |
import general theorems from AFP/Markov_Models
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| Sat, 08 Nov 2014 16:53:26 +0100 |
haftmann |
equivalence rules for structures without zero divisors
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| Sun, 02 Nov 2014 18:21:45 +0100 |
wenzelm |
modernized header uniformly as section;
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| Fri, 24 Oct 2014 15:07:51 +0200 |
hoelzl |
use NO_MATCH-simproc for distribution rules in field_simps, otherwise field_simps on '(a / (c + d)) * (e + f)' can be non-terminating
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| Sun, 12 Oct 2014 17:05:34 +0200 |
haftmann |
generalized and consolidated some theorems concerning divisibility
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| Sun, 12 Oct 2014 16:31:28 +0200 |
haftmann |
more facts about abstract divisibility
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| Sun, 07 Sep 2014 09:49:01 +0200 |
haftmann |
generalized
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| Sat, 06 Sep 2014 20:12:32 +0200 |
haftmann |
added various facts
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| Sat, 05 Jul 2014 11:01:53 +0200 |
haftmann |
prefer ac_simps collections over separate name bindings for add and mult
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