src/HOL/Algebra/Coset.thy
2017-02-19 haftmann 2017-02-19 backed out unintended effects of 8355a6e2df79 in src/HOL/Algebra
2016-12-17 haftmann 2016-12-17 standardized notation
2016-05-26 wenzelm 2016-05-26 isabelle update_cartouches -c -t;
2016-02-17 haftmann 2016-02-17 generalized some lemmas; moved some lemmas in more appropriate places; deleted potentially dangerous simp rule
2016-02-17 haftmann 2016-02-17 prefer abbreviations for compound operators INFIMUM and SUPREMUM
2015-11-11 Andreas Lochbihler 2015-11-11 add lemmas about monoids and groups
2015-10-10 wenzelm 2015-10-10 isabelle update_cartouches;
2014-07-04 haftmann 2014-07-04 reduced name variants for assoc and commute on plus and mult
2012-02-27 wenzelm 2012-02-27 tuned proofs;
2011-01-12 wenzelm 2011-01-12 eliminated global prems; tuned proofs;
2010-11-29 haftmann 2010-11-29 equivI has replaced equiv.intro
2010-10-01 haftmann 2010-10-01 constant `contents` renamed to `the_elem`
2010-03-21 wenzelm 2010-03-21 standard headers;
2010-03-21 wenzelm 2010-03-21 slightly more uniform definitions -- eliminated old-style meta-equality;
2010-03-21 wenzelm 2010-03-21 eliminated old constdefs;
2010-03-01 haftmann 2010-03-01 replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
2009-10-17 wenzelm 2009-10-17 eliminated hard tabulators, guessing at each author's individual tab-width; tuned headers;
2009-06-19 nipkow 2009-06-19 Made Pi_I [simp]
2009-03-02 nipkow 2009-03-02 name changes
2008-12-16 ballarin 2008-12-16 More porting to new locales.
2008-08-01 ballarin 2008-08-01 Generalised polynomial lemmas from cring to ring.
2008-07-29 ballarin 2008-07-29 Unit_inv_l, Unit_inv_r made [simp].
2008-07-15 ballarin 2008-07-15 Removed uses of context element includes.
2008-03-17 wenzelm 2008-03-17 only one version of group.rcos_self;
2008-03-05 wenzelm 2008-03-05 explicit referencing of background facts;
2007-06-21 wenzelm 2007-06-21 tuned proofs -- avoid implicit prems;
2007-06-13 wenzelm 2007-06-13 tuned proofs: avoid implicit prems;
2006-11-17 wenzelm 2006-11-17 more robust syntax for definition/abbreviation/notation;
2006-08-03 ballarin 2006-08-03 Restructured algebra library, added ideals and quotient rings.
2006-06-20 ballarin 2006-06-20 Restructured locales with predicates: import is now an interpretation. New method intro_locales.
2006-04-09 wenzelm 2006-04-09 tuned syntax/abbreviations;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2004-08-06 nipkow 2004-08-06 undid UN/INT syntax
2004-06-17 paulson 2004-06-17 removal of magmas and semigroups
2004-05-26 paulson 2004-05-26 more group isomorphisms
2004-05-19 paulson 2004-05-19 more results about isomorphisms
2004-05-14 paulson 2004-05-14 removal of locale coset
2004-05-06 wenzelm 2004-05-06 tuned document;
2004-04-23 wenzelm 2004-04-23 improved notation;
2004-04-22 wenzelm 2004-04-22 improved notation;
2004-04-08 paulson 2004-04-08 some (much longer) structured proofs
2003-11-06 ballarin 2003-11-06 Isar/Locales: <loc>.intro and <loc>.axioms no longer intro? and elim? by default.
2003-05-01 paulson 2003-05-01 moving Bij.thy from GroupTheory to Algebra
2003-04-30 ballarin 2003-04-30 HOL-Algebra: New polynomial development added.
2003-04-30 ballarin 2003-04-30 Greatly extended CRing. Added Module.
2003-04-01 ballarin 2003-04-01 Fixed Coset.thy (proved theorem factorgroup_is_group).
2003-03-18 paulson 2003-03-18 moved Exponent, Coset, Sylow from GroupTheory to Algebra, converting them to the new Group setup. Deleted Ring, Module from GroupTheory Minor UNITY changes