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Re:λ Calculus [pdf] by andsoitis on Thursday August 17, 2023 @10:43PM (#37170887)
> heart of the λ calculus

The Y combinator is a specific fixed-point combinator in lambda calculus. It is used to express recursion in lambda calculus where direct recursion is not initially available due to the lack of named functions. The Y combinator demonstrates the power of lambda calculus.

Re:λ Calculus [pdf] by downvotetruth on Friday August 18, 2023 @12:28AM (#37171407)
Yet fails to show the full power of the strict side.