New unified treatment of sequent calculi by Sara Kalvala
combines the old LK and Modal with the new ILL (Int. Linear Logic)
(* 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