src/HOL/UNITY/Simple/Network.thy
author nipkow
Mon, 13 May 2002 15:27:28 +0200
changeset 13145 59bc43b51aa2
parent 11195 65ede8dfe304
child 13785 e2fcd88be55d
permissions -rw-r--r--
*** empty log message ***

(*  Title:      HOL/UNITY/Network
    ID:         $Id$
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1998  University of Cambridge

The Communication Network

From Misra, "A Logic for Concurrent Programming" (1994), section 5.7
*)

Network = UNITY +

(*The state assigns a number to each process variable*)

datatype pvar = Sent | Rcvd | Idle

datatype pname = Aproc | Bproc

types state = "pname * pvar => nat"

end