src/ZF/quniv.thy
changeset 0 a5a9c433f639
child 124 858ab9a9b047
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/ZF/quniv.thy	Thu Sep 16 12:20:38 1993 +0200
     1.3 @@ -0,0 +1,16 @@
     1.4 +(*  Title: 	ZF/univ.thy
     1.5 +    ID:         $Id$
     1.6 +    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
     1.7 +    Copyright   1993  University of Cambridge
     1.8 +
     1.9 +A small universe for lazy recursive types
    1.10 +*)
    1.11 +
    1.12 +QUniv = Univ + QPair +
    1.13 +consts
    1.14 +    quniv        :: "i=>i"
    1.15 +
    1.16 +rules
    1.17 +    quniv_def    "quniv(A) == Pow(univ(eclose(A)))"
    1.18 +
    1.19 +end