Wed, 20 Jan 1999 10:29:25 +0100 wenzelm changed Minho mirror;
Tue, 19 Jan 1999 12:59:55 +0100 paulson tidied freeness reasoning
Tue, 19 Jan 1999 12:56:27 +0100 paulson freeness reasoning: T.free_iffs
Tue, 19 Jan 1999 11:46:18 +0100 wenzelm tuned;
Tue, 19 Jan 1999 11:18:11 +0100 paulson removal of the (thm list) argument of mk_cases
Tue, 19 Jan 1999 11:16:39 +0100 paulson tidied; added dest_eq
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