Displaying similar documents to “The 2 n - 1 factor for multi-dimensional lattice paths with diagonal steps.”

Beta-reduction as unification

A. Kfoury (1999)

Banach Center Publications

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We define a new unification problem, which we call β-unification and which can be used to characterize the β-strong normalization of terms in the λ-calculus. We prove the undecidability of β-unification, its connection with the system of intersection types, and several of its basic properties.