src/HOL/equalities.thy
changeset 923 ff1574a81019
child 1475 7f5a4cd08209
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/HOL/equalities.thy	Fri Mar 03 12:02:25 1995 +0100
     1.3 @@ -0,0 +1,9 @@
     1.4 +(*  Title: 	HOL/equalities
     1.5 +    ID:         $Id$
     1.6 +    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
     1.7 +    Copyright   1994  University of Cambridge
     1.8 +
     1.9 +Equalities involving union, intersection, inclusion, etc.
    1.10 +*)
    1.11 +
    1.12 +equalities = subset