Difference matching:

Abstract: "Difference matching is a generalization of first-order matching where terms are made identical not only by variable instantiation but also by structure hiding. After matching, the hidden structure may be removed by a type of controlled rewriting, called rippling, that leaves the rest...

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Bibliographic Details
Main Authors: Basin, David A. (Author), Walsh, Toby (Author)
Format: Book
Language:English
Published: Edinburgh 1991
Series:University <Edinburgh> / Department of Artificial Intelligence: DAI research paper 556
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Summary:Abstract: "Difference matching is a generalization of first-order matching where terms are made identical not only by variable instantiation but also by structure hiding. After matching, the hidden structure may be removed by a type of controlled rewriting, called rippling, that leaves the rest of the term unaltered. Rippling has proved highly successful in inductive theorem proving. Difference matching allows us to use rippling in other contexts, e.g., equational, inequational, and propositional reasoning. We present a difference matching algorithm, its properties, several applications, and suggest extensions."
Physical Description:14 S.

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