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theorem proved term proof

plus_minus_indist

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formal statement (Lean)

 117theorem plus_minus_indist : Indistinguishable magnitudeRecognizer 3 (-3) := by

proof body

Term-mode proof.

 118  simp [Indistinguishable, magnitudeRecognizer]
 119
 120/-- **Theorem**: 2 ≁ 3 (different magnitudes) -/

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depends on (2)

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