2010-12-19 huffman 2010-12-19 reintroduce 'bifinite' class, now with existentially-quantified approx function (cf. b525988432e9)
2010-12-11 huffman 2010-12-11 xsymbol notation for powerdomain types
2010-12-11 huffman 2010-12-11 new powerdomain lemmas
2010-12-06 huffman 2010-12-06 add set-union-like syntax for powerdomain bind operators
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;