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theorem proved term proof

phiRungScale_pos

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formal statement (Lean)

  80theorem phiRungScale_pos (n : ℕ) : 0 < phiRungScale n :=

proof body

Term-mode proof.

  81  pow_pos phi_pos n
  82
  83/-- φ-rung scales are strictly increasing: m < n → φᵐ < φⁿ. -/

depends on (6)

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