------------------------------------------------------------------------ -- The Agda standard library -- -- Lemmas relating algebraic definitions (such as associativity and -- commutativity) that don't the equality relation to be a setoid. ------------------------------------------------------------------------ {-# OPTIONS --without-K --safe #-} module Algebra.Consequences.Base {a} {A : Set a} where open import Algebra.Core open import Algebra.Definitions open import Data.Sum.Base open import Relation.Binary.Core sel⇒idem : ∀ {ℓ} {_•_ : Op₂ A} (_≈_ : Rel A ℓ) → Selective _≈_ _•_ → Idempotent _≈_ _•_ sel⇒idem _ sel x with sel x x ... | inj₁ x•x≈x = x•x≈x ... | inj₂ x•x≈x = x•x≈x
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