| Tue, 01 Mar 2016 10:36:19 +0100 |
haftmann |
tuned bootstrap order to provide type classes in a more sensible order
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| Tue, 23 Feb 2016 16:25:08 +0100 |
nipkow |
more canonical names
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| Fri, 19 Feb 2016 13:40:50 +0100 |
hoelzl |
generalize more theorems to support enat and ennreal
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| Fri, 12 Feb 2016 16:09:07 +0100 |
hoelzl |
moved more proofs to ordered_comm_monoid_add; introduced strict_ordered_ab_semigroup/comm_monoid_add
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| Wed, 10 Feb 2016 18:43:19 +0100 |
hoelzl |
Rename ordered_comm_monoid_add to ordered_cancel_comm_monoid_add. Introduce ordreed_comm_monoid_add, canonically_ordered_comm_monoid and dioid. Setup nat, entat and ennreal as dioids.
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| Thu, 18 Feb 2016 17:53:09 +0100 |
haftmann |
more theorems
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| Wed, 17 Feb 2016 21:51:57 +0100 |
haftmann |
cleansed junk-producing interpretations for gcd/lcm on nat altogether
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| Wed, 17 Feb 2016 21:51:57 +0100 |
haftmann |
generalized some lemmas;
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| Mon, 28 Dec 2015 01:26:34 +0100 |
wenzelm |
prefer symbols for "abs";
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| Mon, 07 Dec 2015 10:38:04 +0100 |
wenzelm |
isabelle update_cartouches -c -t;
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| Tue, 01 Dec 2015 14:09:10 +0000 |
paulson |
Removal of redundant lemmas (diff_less_iff, diff_le_iff) and of the abbreviation Exp. Addition of some new material.
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| Fri, 13 Nov 2015 12:27:13 +0000 |
paulson |
Tweaks for "real": Removal of [iff] status for some lemmas, adding [simp] for others. Plus fixes.
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| Thu, 06 Aug 2015 23:56:48 +0200 |
haftmann |
slight cleanup of lemmas
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| Sat, 18 Jul 2015 22:58:50 +0200 |
wenzelm |
isabelle update_cartouches;
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| 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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