2010-03-18 blanchet 2010-03-18 now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
2010-03-11 haftmann 2010-03-11 tuned monoid locales and prefix of sublocale interpretations
2010-03-10 haftmann 2010-03-10 added locales for monoids
2010-02-27 wenzelm 2010-02-27 modernized structure Term_Ord;
2010-02-25 wenzelm 2010-02-25 more antiquotations;
2010-02-22 haftmann 2010-02-22 distributed theory Algebras to theories Groups and Lattices
2010-02-19 haftmann 2010-02-19 moved remaning class operations from Algebras.thy to Groups.thy
2010-02-18 huffman 2010-02-18 get rid of many duplicate simp rule warnings
2010-02-10 haftmann 2010-02-10 moved less_eq, less to Orderings.thy; moved abs, sgn to Groups.thy
2010-02-08 haftmann 2010-02-08 renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields