/*
 * @(#)$Id: not0m,v 1.1 1994/09/16 09:35:20 dream Exp $
 *
 * $Log: not0m,v $
 * Revision 1.1  1994/09/16 09:35:20  dream
 * Initial revision
 *
 */

problem([]==>x:pnat=>y:pnat=>((x=0 in pnat=>void)#y=0 in pnat=>void)=>times(x,y)=0 in pnat=>void,_,_,_).
