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theorem proved term proof

neg_indist

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formal statement (Lean)

  91theorem neg_indist : Indistinguishable signRecognizer (-5) (-3) := by

proof body

Term-mode proof.

  92  simp [Indistinguishable, signRecognizer, signOf]
  93
  94/-- **Theorem**: -1 ≁ 1 (different signs) -/

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