author | paulson |
Thu, 31 May 2001 18:28:23 +0200 | |
changeset 11354 | 9b80fe19407f |
parent 11316 | b4e71bd751e4 |
permissions | -rw-r--r-- |
(* Title: ZF/ex/Acc.thy ID: $Id$ Author: Lawrence C Paulson, Cambridge University Computer Laboratory Copyright 1994 University of Cambridge Inductive definition of acc(r) See Ch. Paulin-Mohring, Inductive Definitions in the System Coq. Research Report 92-49, LIP, ENS Lyon. Dec 1992. *) Acc = Main + consts acc :: i=>i inductive domains "acc(r)" <= "field(r)" intrs vimage "[| r-``{a}: Pow(acc(r)); a \\<in> field(r) |] ==> a \\<in> acc(r)" monos Pow_mono end