Fri, 07 Mar 1997 10:21:11 +0100 paulson Deleted steps made redundant by the stronger eq_assume_tac
Fri, 07 Mar 1997 10:20:26 +0100 paulson Eta-expanded some declarations for compatibility with value polymorphism
Fri, 07 Mar 1997 10:19:24 +0100 paulson Tidied and updated
Fri, 07 Mar 1997 09:56:55 +0100 wenzelm more robust check;
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