Axiomatic rewriting theory i: a diagrammatic standardization theorem

  • Authors:
  • Paul-André Melliès

  • Affiliations:
  • Equipe Preuves, Programmes et Systèmes, CNRS

  • Venue:
  • Processes, Terms and Cycles
  • Year:
  • 2005

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Abstract

By extending nondeterministic transition systems with concurrency and copy mechanisms, Axiomatic Rewriting Theory provides a uniform framework for a variety of rewriting systems, ranging from higher-order systems to Petri nets and process calculi. Despite its generality, the theory is surprisingly simple, based on a mild extension of transition systems with independence: an axiomatic rewriting system is defined as a 1-dimensional transition graph $\mathcal{G}$ equipped with 2-dimensional transitions describing the redex permutations of the system, and their orientation. In this article, we formulate a series of elementary axioms on axiomatic rewriting systems, and establish a diagrammatic standardization theorem.