22 September 2017 / HackerRank Functional Challenges HR F#: Lambda Calculus - Evaluating Expressions #5 This is even more simple than the previous one. Compute the value of λx.λy.y. The answer is 0. See the same Church numerals table. Why not to stay updated if the subject is interesting? Join Telegram channel Alex@Net or follow alex_at_net on Twitter. Or just, use the comments form below.