(* Title: HOLCF/IOA/ABP/Action.thy ID: $Id: Action.thy,v 1.6 2006/05/27 17:49:36 wenzelm Exp $ Author: Olaf Müller *) header {* The set of all actions of the system *} theory Action imports Packet begin datatype 'm action = Next | S_msg 'm | R_msg 'm | S_pkt "'m packet" | R_pkt "'m packet" | S_ack bool | R_ack bool end