src/HOL/Quot/PER.thy
Thu, 08 Jan 1998 18:03:36 +0100 oheimb streamlined specification of included theories
Fri, 25 Apr 1997 15:33:19 +0200 slotosch used explcite tactics in instances (since ax_per_trans "loops")
Fri, 04 Apr 1997 16:01:14 +0200 slotosch (partial) equivalecne relations. classes er<per
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