Y combinator

one of the fixed-point combinators in untyped lambda calculus
Thing fixed_point_combinator Q99157935
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Y combinator

Summary

Y combinator is a fixed-point combinator[1]. It draws 63 Wikipedia views per month (fixed_point_combinator category, ranking #1 of 1).[2]

Key Facts

  • Y combinator is credited with the discovery of Haskell Curry[3].
  • Y combinator's instance of is recorded as fixed-point combinator[4].
  • Y combinator's defining formula is recorded as \textsf{Y} = \lambda f. \ (\lambda x.f\ (x\ x))\ (\lambda x.f\ (x\ x))[5].
  • Y combinator's maintained by WikiProject is recorded as WikiProject Mathematics[6].

Body

Works and Contributions

Y combinator is credited with the discovery of Haskell Curry[3].

Why It Matters

Y combinator draws 63 Wikipedia views per month (fixed_point_combinator category, ranking #1 of 1).[2]

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APA 4ort.xyz Knowledge Graph. (2026). Y combinator. Retrieved May 3, 2026, from https://4ort.xyz/entity/y-combinator
MLA “Y combinator.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/y-combinator.
BibTeX @misc{4ortxyz_y-combinator_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Y combinator}}, year = {2026}, url = {https://4ort.xyz/entity/y-combinator}, note = {Accessed: 2026-05-03}}
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