13 lines
492 B
Text
13 lines
492 B
Text
/-
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Copyright (c) 2016 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Leonardo de Moura
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-/
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prelude
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/- Combinator calculus -/
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namespace combinator
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universe variables u₁ u₂ u₃
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definition I {A : Type u₁} (a : A) := a
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definition K {A : Type u₁} {B : Type u₂} (a : A) (b : B) := a
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definition S {A : Type u₁} {B : Type u₂} {C : Type u₃} (x : A → B → C) (y : A → B) (z : A) := x z (y z)
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end combinator
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