Huge tidy-up: removal of leading \!\!
addsplits split_tac[split_if] now default
nat_succI now included by default
(* Title: ZF/Cardinal_AC.thy
ID: $Id$
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1994 University of Cambridge
Cardinal Arithmetic WITH the Axiom of Choice
*)
Cardinal_AC = CardinalArith + Zorn