src/HOL/Fields.thy
2013-06-23 haftmann migration from code_(const|type|class|instance) to code_printing and from code_module to code_identifier
2011-09-14 huffman tuned proofs
2011-09-03 huffman simplify proof
2011-08-08 huffman moved division ring stuff from Rings.thy to Fields.thy
2011-05-20 hoelzl add divide_.._cancel, inverse_.._iff
2010-05-09 huffman add lemmas one_less_inverse and one_le_inverse
2010-05-06 haftmann moved some lemmas from Groebner_Basis here
2010-04-27 haftmann tuned whitespace
2010-04-27 haftmann got rid of [simplified]
2010-04-27 haftmann tuned class linordered_field_inverse_zero
2010-04-26 haftmann use new classes (linordered_)field_inverse_zero
2010-04-26 haftmann dropped group_simps, ring_simps, field_eq_simps; classes division_ring_inverse_zero, field_inverse_zero, linordered_field_inverse_zero
2010-04-25 haftmann field_simps as named theorems
2010-04-23 haftmann less special treatment of times_divide_eq [simp]
2010-04-23 haftmann more localization; factored out lemmas for division_ring
2010-03-18 blanchet now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
2010-03-04 hoelzl Add dense_le, dense_le_bounded, field_le_mult_one_interval.
2010-02-18 huffman get rid of many duplicate simp rule warnings
2010-02-10 haftmann moved lemma field_le_epsilon from Real.thy to Fields.thy
2010-02-10 haftmann moved constants inverse and divide to Ring.thy
2010-02-08 haftmann renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields
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