------------------------------------------------------------------------ -- The Agda standard library -- -- Results concerning the excluded middle axiom. ------------------------------------------------------------------------ {-# OPTIONS --cubical-compatible --safe #-} module Axiom.ExcludedMiddle where open import Level open import Relation.Nullary.Decidable.Core using (Dec) ------------------------------------------------------------------------ -- Definition -- The classical statement of excluded middle says that every -- statement/set is decidable (i.e. it either holds or it doesn't hold). ExcludedMiddle : ∀ ℓ → Set (suc ℓ) ExcludedMiddle ℓ = {P : Set ℓ} → Dec P