src/HOL/Algebra/IntRing.thy
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.