1997-06-05 nipkow Moved image_is_empty from Finite.ML to equalities.ML
1997-06-05 nipkow Modified a few defs and proofs because of the changes to theory Finite.thy.
1997-06-05 nipkow Finite.ML Finite.thy: Replaced `finite subset of' by mere `finite'.
1997-06-05 paulson New recdef examples
1997-06-05 paulson Removal of freeze_vars and thaw_vars. New freeze_thaw
1997-06-05 paulson freezeT now refers to Type.freeze_thaw
1997-06-05 paulson Tidying of signature. More robust renaming in freeze_thaw.
1997-06-05 paulson Removal of freeze_vars and thaw_vars (quite unused...)
1997-06-05 paulson Removal of radixstring from string_of_int; addition of string_of_indexname
1997-06-05 paulson There was never need for another copy of radixstring...
1997-06-05 paulson Numerous simplifications and removal of HOL-isms
1997-06-05 paulson Now loads theory Recdef
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