src/HOL/HOLCF/Universal.thy
2010-12-19 huffman 2010-12-19 reintroduce 'bifinite' class, now with existentially-quantified approx function (cf. b525988432e9)
2010-12-15 huffman 2010-12-15 add notsqsubseteq syntax
2010-12-01 huffman 2010-12-01 reformulate lemma preorder.ex_ideal, and use it for typedefs
2010-11-27 huffman 2010-11-27 moved directory src/HOLCF to src/HOL/HOLCF; added HOLCF theories to src/HOL/IsaMakefile;