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def definition def or abbrev

Distinguishable

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formal statement (Lean)

 134def Distinguishable {C E : Type*} (r : Recognizer C E) (c₁ c₂ : C) : Prop :=

proof body

Definition body.

 135  r.R c₁ ≠ r.R c₂
 136
 137/-- Distinguishability is the negation of indistinguishability -/

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