| Wed, 04 Mar 2009 11:05:29 +0100 |
Merge.
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| Wed, 04 Mar 2009 10:45:52 +0100 |
Merge.
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| Mon, 23 Feb 2009 16:25:52 -0800 |
make proofs work whether or not One_nat_def is a simp rule; replace 1 with Suc 0 in the rhs of some simp rules
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| Sun, 22 Feb 2009 17:25:28 +0100 |
added lemmas
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| Wed, 18 Feb 2009 10:24:48 -0800 |
generalize le_imp_power_dvd and power_le_dvd; move from Divides to Power
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| Wed, 21 Jan 2009 23:40:23 +0100 |
no base sort in class import
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| Thu, 04 Sep 2008 17:19:57 +0200 |
add lemma power_Suc2; generalize power_minus from class comm_ring_1 to ring_1
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| Wed, 09 Jan 2008 19:23:36 +0100 |
added simp attributes
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| Sat, 05 Jan 2008 09:16:27 +0100 |
more instantiation
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| Tue, 30 Oct 2007 08:45:55 +0100 |
simplified proof
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| Tue, 23 Oct 2007 23:27:23 +0200 |
went back to >0
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| Sun, 21 Oct 2007 14:53:44 +0200 |
Eliminated most of the neq0_conv occurrences. As a result, many
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| Tue, 16 Oct 2007 23:12:45 +0200 |
global class syntax
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| Fri, 12 Oct 2007 08:25:48 +0200 |
moved class power to theory Power
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| Tue, 21 Aug 2007 02:30:14 +0200 |
add lemma one_less_power
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| Wed, 15 Aug 2007 12:52:56 +0200 |
ATP blacklisting is now in theory data, attribute noatp
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| Tue, 03 Jul 2007 17:28:36 +0200 |
rename class dom to ring_1_no_zero_divisors
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| Wed, 20 Jun 2007 05:18:39 +0200 |
change simp rules for of_nat to work like int did previously (reorient of_nat_Suc, remove of_nat_mult [simp]); preserve original variable names in legacy int theorems
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| Mon, 11 Jun 2007 02:24:39 +0200 |
add lemma of_nat_power
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| Fri, 01 Jun 2007 10:44:30 +0200 |
tuned
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| Thu, 17 May 2007 19:12:47 +0200 |
generalize class restrictions on some lemmas
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| Thu, 17 May 2007 08:53:57 +0200 |
generalize some lemmas from field to division_ring
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| Mon, 14 May 2007 08:12:38 +0200 |
tuned
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| Sun, 13 May 2007 19:15:36 +0200 |
add lemma power_eq_imp_eq_base
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| Tue, 08 May 2007 00:50:55 +0200 |
add lemma power_less_imp_less_base
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| Tue, 10 Apr 2007 21:50:08 +0200 |
removed unnecessary premise from power_le_imp_le_base
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| Fri, 02 Mar 2007 15:43:21 +0100 |
now using "class"
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| Wed, 22 Nov 2006 10:20:16 +0100 |
cleanup
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| Sat, 18 Nov 2006 00:20:20 +0100 |
moved dvd stuff to theory Divides
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| Tue, 07 Nov 2006 09:33:47 +0100 |
* Added annihilation axioms ("x * 0 = 0") to axclass semiring_0.
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| Fri, 26 Aug 2005 10:01:06 +0200 |
Lemmas on dvd, power and finite summation added or strengthened.
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| Wed, 13 Jul 2005 15:06:20 +0200 |
generlization of some "nat" theorems
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| Tue, 12 Jul 2005 17:56:03 +0200 |
added lemmas to OrderedGroup.thy (reasoning about signs, absolute value, triangle inequalities)
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| Thu, 07 Jul 2005 12:39:17 +0200 |
linear arithmetic now takes "&" in assumptions apart.
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| Tue, 19 Oct 2004 18:18:45 +0200 |
converted some induct_tac to induct
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| Wed, 18 Aug 2004 11:09:40 +0200 |
import -> imports
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| Mon, 16 Aug 2004 14:22:27 +0200 |
New theory header syntax.
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| Tue, 20 Jul 2004 14:22:49 +0200 |
two new results
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| Thu, 24 Jun 2004 17:52:55 +0200 |
ringpower to recpower
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| Tue, 11 May 2004 20:11:08 +0200 |
changes made due to new Ring_and_Field theory
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| Fri, 16 Apr 2004 04:07:10 +0200 |
tuned document;
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| Fri, 05 Mar 2004 15:26:14 +0100 |
tweaks
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| Mon, 12 Jan 2004 16:51:45 +0100 |
Added lemmas to Ring_and_Field with slightly modified simplification rules
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| Fri, 09 Jan 2004 10:46:18 +0100 |
Defining the type class "ringpower" and deleting superseded theorems for
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| Tue, 09 May 2000 14:33:43 +0200 |
named "op ^" definitions;
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| Wed, 13 Oct 1999 12:07:23 +0200 |
choose just as an infix
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| Fri, 24 Jul 1998 13:03:20 +0200 |
Adapted to new datatype package.
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| Thu, 12 Feb 1998 17:53:05 +0100 |
*** empty log message ***
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| Tue, 03 Jun 1997 10:56:04 +0200 |
New theory "Power" of exponentiation (and binomial coefficients)
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