def
definition
def or abbrev
IsFinerThan'
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42def IsFinerThan' {E₁ E₂ : Type*} (r₁ : Recognizer C E₁) (r₂ : Recognizer C E₂) : Prop :=
proof body
Definition body.
43 ∀ c₁ c₂ : C, Indistinguishable r₁ c₁ c₂ → Indistinguishable r₂ c₁ c₂
44