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A Short Mechanized Proof of the Church-Rosser Theorem by the Z-property for the $λβ$-calculus in Nominal Isabelle (1609.03139v1)
Published 11 Sep 2016 in cs.LO
Abstract: We present a short proof of the Church-Rosser property for the lambda-calculus enjoying two distinguishing features: Firstly, it employs the Z-property, resulting in a short and elegant proof; and secondly, it is formalized in the nominal higher-order logic available for the proof assistant Isabelle/HOL.