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A Calculus for Schemas in Z

A Calculus for Schemas in Z
A Calculus for Schemas in Z
The popularity and flexibility of the Z notation can largely be attributed to its notion of schemas. We describe these schemas and illustrate their various common uses in Z. We also present a collection of logical laws for manipulating these schemas. These laws are capable of supporting reasoning about the Z schema calculus in its full generality. This is demonstrated by presenting some theorems about the removability of schemas from Z specifications, together with outline proofs. We survey briefly models against which this logical system may be proven sound, and other related logics for Z.
Brien, S. M.
3ac8a543-51ef-4032-bea7-08c56cd5f62f
Martin, A. P.
da5645f1-5daa-4f59-aaec-aa57f8e09ff2
Brien, S. M.
3ac8a543-51ef-4032-bea7-08c56cd5f62f
Martin, A. P.
da5645f1-5daa-4f59-aaec-aa57f8e09ff2

Brien, S. M. and Martin, A. P. (2000) A Calculus for Schemas in Z. J. Symbolic Computation, to app.

Record type: Article

Abstract

The popularity and flexibility of the Z notation can largely be attributed to its notion of schemas. We describe these schemas and illustrate their various common uses in Z. We also present a collection of logical laws for manipulating these schemas. These laws are capable of supporting reasoning about the Z schema calculus in its full generality. This is demonstrated by presenting some theorems about the removability of schemas from Z specifications, together with outline proofs. We survey briefly models against which this logical system may be proven sound, and other related logics for Z.

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Published date: 2000
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 250504
URI: https://eprints.soton.ac.uk/id/eprint/250504
PURE UUID: 28ae3527-a7ee-478c-ab21-0acb047f2d1f

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Date deposited: 22 Jun 1999
Last modified: 18 Jul 2017 10:41

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