elsa

A tiny language for understanding the lambda-calculus

http://github.com/ucsd-progsys/elsa

Latest on Hackage:0.2.2.0

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MIT licensed by Ranjit Jhala
Maintained by [email protected]

elsa is a small proof checker for verifying sequences of reductions of lambda-calculus terms. The goal is to help students build up intuition about lambda-terms, alpha-equivalence, beta-reduction, and in general, the notion of computation by substitution.