author | kleing |
Thu, 17 Jan 2002 15:06:36 +0100 | |
changeset 12791 | ccc0f45ad2c4 |
parent 11195 | 65ede8dfe304 |
child 13785 | e2fcd88be55d |
permissions | -rw-r--r-- |
(* 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