author berghofe
Tue, 30 May 2000 18:02:49 +0200
changeset 9001 93af64f54bf2
parent 1475 7f5a4cd08209
permissions -rw-r--r--
the is now defined using primrec, avoiding explicit use of arbitrary.

(*  Title:      HOL/equalities
    ID:         $Id$
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1994  University of Cambridge

Equalities involving union, intersection, inclusion, etc.

equalities = subset