src/HOL/Algebra/IntRing.thy
13 months ago paulson 2018-06-06 resolution of name clashes in Algebra
18 months ago wenzelm 2018-01-16 standardized towards new-style formal comments: isabelle update_comments;
18 months ago nipkow 2018-01-10 ran isabelle update_op on all sources
18 months ago nipkow 2018-01-10 tuned op's
18 months ago nipkow 2018-01-06 tuned op
19 months ago haftmann 2017-12-02 more simplification rules
20 months ago wenzelm 2017-11-26 more symbols;
20 months ago wenzelm 2017-11-04 prefer main entry points of HOL;
23 months ago wenzelm 2017-08-18 session-qualified theory imports: isabelle imports -U -i -d '~~/src/Benchmarks' -a;
2017-04-06 haftmann 2017-04-06 session containing computational algebra
2016-10-17 nipkow 2016-10-17 setprod -> prod
2016-10-17 nipkow 2016-10-17 setsum -> sum
2016-10-16 haftmann 2016-10-16 eliminated irregular aliasses
2016-08-08 eberlm 2016-08-08 is_prime -> prime
2016-07-21 eberlm 2016-07-21 Overhaul of prime/multiplicity/prime_factors
2016-05-26 wenzelm 2016-05-26 isabelle update_cartouches -c -t;
2016-02-17 haftmann 2016-02-17 dropped various legacy fact bindings
2015-12-28 wenzelm 2015-12-28 more symbols;
2015-11-04 ballarin 2015-11-04 Keyword 'rewrites' identifies rewrite morphisms.
2015-10-10 wenzelm 2015-10-10 isabelle update_cartouches;
2015-09-13 wenzelm 2015-09-13 tuned proofs -- less legacy;
2015-04-17 Rene Thiemann 2015-04-17 finprod takes 1 in case of infinite sets => remove several "finite A" assumptions
2014-07-05 haftmann 2014-07-05 prefer ac_simps collections over separate name bindings for add and mult
2014-07-04 haftmann 2014-07-04 reduced name variants for assoc and commute on plus and mult
2014-03-07 wenzelm 2014-03-07 tuned proofs;
2014-03-05 wenzelm 2014-03-05 more symbols;
2014-02-02 paulson 2014-02-02 Number_Theory: prime is no longer overloaded, but only for nat. Automatic coercion to int enabled.
2014-01-27 paulson 2014-01-27 converting to new Number_Theory
2012-10-19 webertj 2012-10-19 Renamed {left,right}_distrib to distrib_{right,left}.
2011-09-07 huffman 2011-09-07 avoid using legacy theorem names
2011-09-02 wenzelm 2011-09-02 tuned proofs;
2011-01-06 ballarin 2011-01-06 Abelian group facts obtained from group facts via interpretation (sublocale).
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;
2010-03-01 haftmann 2010-03-01 replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
2009-11-13 nipkow 2009-11-13 moved lemma from Algebra/IntRing to Ring_and_Field
2009-11-13 nipkow 2009-11-13 renamed lemmas "anti_sym" -> "antisym"
2009-09-01 haftmann 2009-09-01 some reorganization of number theory
2009-03-26 wenzelm 2009-03-26 interpretation/interpret: prefixes are mandatory by default;
2009-02-17 nipkow 2009-02-17 Cleaned up IntDiv and removed subsumed lemmas.
2009-01-31 nipkow 2009-01-31 added some simp rules
2009-01-10 wenzelm 2009-01-10 fixed proof involving dvd;
2008-12-19 ballarin 2008-12-19 More porting to new locales
2008-12-16 ballarin 2008-12-16 More porting to new locales.
2008-11-17 haftmann 2008-11-17 tuned unfold_locales invocation
2008-10-07 haftmann 2008-10-07 arbitrary is undefined
2008-09-02 ballarin 2008-09-02 Interpretation commands no longer accept interpretation attributes.
2008-08-01 ballarin 2008-08-01 Generalised polynomial lemmas from cring to ring.
2008-07-30 ballarin 2008-07-30 New locales for orders and lattices where the equivalence relation is not restricted to equality.
2008-01-15 haftmann 2008-01-15 joined theories IntDef, Numeral, IntArith to theory Int
2007-08-02 ballarin 2007-08-02 Experimental removal of assumptions of the form x : UNIV and the like after interpretation.
2007-07-24 ballarin 2007-07-24 Interpretation of rings (as integers) maps defined operations to defined operations..
2007-01-12 ballarin 2007-01-12 Reverted to structure representation with records.
2006-12-22 ballarin 2006-12-22 Experimenting with interpretations of "definition".
2006-10-16 ballarin 2006-10-16 Order and lattice structures no longer based on records.
2006-08-03 ballarin 2006-08-03 Restructured algebra library, added ideals and quotient rings.