Technical Report CS0252

Title: An Axiomatic Approach to Semantics of Specification Languages
Authors: B. Mahr and J.A. Makowsky
Abstract: The paper proposes an axiomatic approach to semantics of specification languages. It introduces the notion of a semantical system as a framework to discuss and compare various approaches to specification of (algebraic) data types and to spell out their underlying assumptions. For various of those assumptions we present complete specification languages or show that existing specification languages are complete. Initial and final semantics are characterized as special cases of our unifying concept of semantical systems which admit D-free structures.
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