2010-03-18 blanchet 2010-03-18 now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
2010-03-04 hoelzl 2010-03-04 Add dense_le, dense_le_bounded, field_le_mult_one_interval.
2010-02-18 huffman 2010-02-18 get rid of many duplicate simp rule warnings
2010-02-10 haftmann 2010-02-10 moved lemma field_le_epsilon from Real.thy to Fields.thy
2010-02-10 haftmann 2010-02-10 moved constants inverse and divide to Ring.thy
2010-02-08 haftmann 2010-02-08 renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields