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      On Partial-Function Application in Z

      3rd BCS-FACS Northern Formal Methods Workshop (NFM)

      BCS-FACS Northern Formal Methods Workshop

      14-15 September 1998

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          Abstract

          We discuss the application of partial functions to elements outside their domain in the context of the Z language and CADiZ tool. We illustrate some surprising results that can arise, and show that they may be readily justified, but also show that undesirable results can arise that are less readily resolved. We offer two possible resolutions, one that involves a simple change to, for example, free types, and another more contentious approach that involves, in particular, a new semantics for Z. We discuss the advantages and disadvantages of both approaches.

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          Author and article information

          Contributors
          Conference
          September 1998
          September 1998
          : 1-20
          Affiliations
          Department of Computer Science, University of York

          Heslington, York, YO10 5DD
          Article
          10.14236/ewic/NFM1998.7
          © David A. Duffy. Published by BCS Learning and Development Ltd. 3rd BCS-FACS Northern Formal Methods Workshop, Ilkley, UK

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          3rd BCS-FACS Northern Formal Methods Workshop
          NFM
          3
          Ilkley, UK
          14-15 September 1998
          Electronic Workshops in Computing (eWiC)
          BCS-FACS Northern Formal Methods Workshop
          Product
          Product Information: 1477-9358BCS Learning & Development
          Self URI (journal page): https://ewic.bcs.org/
          Categories
          Electronic Workshops in Computing

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