author | paulson |
Wed, 18 Nov 1998 15:10:46 +0100 | |
changeset 5931 | 325300576da7 |
parent 5111 | 8f4b72f0c15d |
permissions | -rw-r--r-- |
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(* Title: HOL/UNITY/Network |
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ID: $Id$ |
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
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Copyright 1998 University of Cambridge |
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The Communication Network |
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From Misra, "A Logic for Concurrent Programming" (1994), section 5.7 |
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*) |
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Network = UNITY + |
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(*The state assigns a number to each process variable*) |
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datatype pvar = Sent | Rcvd | Idle |
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datatype pname = Aproc | Bproc |
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types state = "pname * pvar => nat" |
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end |