Abstract
We consider adding parametrised libraries to Z as a strict extension to the current notation. We examine a simple modularisation facility with only generic sets as parameters, similar to current Z generic schemas.
In examining parameters other than generic sets we consider both an explicit parameter section at the beginning of the library and a more general alternative allowing any variable in the library to be instantiated as a parameter. It turns out, however, that the same effect as the latter form of parametrisation can be achieved with just the simple modularisation, that is, with only generic set parameters.
Finally, we consider interactions between the modularisation facility and current Z notation. In particular, we consider the problem of allowing flexibility in using free types and schema types as parameters.
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© 1993 Springer-Verlag Berlin Heidelberg
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Hayes, I., Wildman, L. (1993). Towards Libraries for Z. In: Bowen, J.P., Nicholls, J.E. (eds) Z User Workshop, London 1992. Workshops in Computing. Springer, London. https://doi.org/10.1007/978-1-4471-3556-2_3
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DOI: https://doi.org/10.1007/978-1-4471-3556-2_3
Publisher Name: Springer, London
Print ISBN: 978-3-540-19818-5
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