Abstract
Suppose that you are asked to develop a program. The first thing that you must do is to write a specification of the program: what the program must do. Formally, a specification is a precondition and a postcondition, and the correctness of the program is defined relative to a specific precondition and postcondition. In practice, predicate calculus and number theory as we have presented them are inconvenient for writing specifications, and other notations have been devised.
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© 2001 Springer-Verlag London
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Ben-Ari, M. (2001). Programs: Formal specification with Z. In: Mathematical Logic for Computer Science. Springer, London. https://doi.org/10.1007/978-1-4471-0335-6_10
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DOI: https://doi.org/10.1007/978-1-4471-0335-6_10
Publisher Name: Springer, London
Print ISBN: 978-1-85233-319-5
Online ISBN: 978-1-4471-0335-6
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