A new coinductive confluence proof for infinitary lambda calculusArticle
Authors: Łukasz Czajka
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Łukasz Czajka
We present a new and formal coinductive proof of confluence and normalisation
of Böhm reduction in infinitary lambda calculus. The proof is simpler than
previous proofs of this result. The technique of the proof is new, i.e., it is
not merely a coinductive reformulation of any earlier proofs. We formalised the
proof in the Coq proof assistant.