Abstract
We propose an abstract framework to present unification and matching problems. We argue about the necessity of a somewhat complicated definition of basis of unifiers (resp. matchers). In particular we prove the non-existence of complete sets of minimal unifiers (resp. matchers) in some equational theories, even regular.
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Fages, F., Huet, G. (1983). Complete sets of unifiers and matchers in equational theories. In: Ausiello, G., Protasi, M. (eds) CAAP'83. CAAP 1983. Lecture Notes in Computer Science, vol 159. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-12727-5_12
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DOI: https://doi.org/10.1007/3-540-12727-5_12
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