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theorem proved term proof

isRecognitionConnected_singleton

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formal statement (Lean)

  54theorem isRecognitionConnected_singleton (r : Recognizer C E) (c : C) :
  55    IsRecognitionConnected r {c} := by

proof body

Term-mode proof.

  56  intro c₁ c₂ h₁ h₂
  57  simp only [Set.mem_singleton_iff] at h₁ h₂
  58  rw [h₁, h₂]
  59  exact Indistinguishable.refl r c
  60
  61/-- A resolution cell is recognition-connected by definition -/

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depends on (10)

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