src/HOL/Subst/Unify.thy
Thu, 13 Apr 2000 15:01:50 +0200 nipkow Times -> <*>
Thu, 22 Apr 1999 13:04:23 +0200 wenzelm recdef requires theory Recdef;
Thu, 22 May 1997 15:10:37 +0200 paulson Now uses type option instead of Fail/Subst
Wed, 21 May 1997 10:53:38 +0200 paulson Removed rprod from the WF relation
Thu, 15 May 1997 12:40:01 +0200 paulson New version, modified by Konrad Slind and LCP for TFL
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