src/ZF/QUniv.thy
author wenzelm
Thu, 25 Nov 1993 11:39:45 +0100
changeset 144 0a0da273a6c5
parent 124 858ab9a9b047
child 753 ec86863e87c8
permissions -rw-r--r--
added Syntax.read_typ; Syntax.extend: added read_ty, removed def_sort argument;

(*  Title: 	ZF/univ.thy
    ID:         $Id$
    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1993  University of Cambridge

A small universe for lazy recursive types
*)

QUniv = Univ + QPair + "mono" + "equalities" +
consts
    quniv        :: "i=>i"

rules
    quniv_def    "quniv(A) == Pow(univ(eclose(A)))"

end