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lemma proved term proof

phi_pow_38_lo_pos

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formal statement (Lean)

  57lemma phi_pow_38_lo_pos : (0 : ℚ) < phi_pow_38_interval.lo := by

proof body

Term-mode proof.

  58  unfold phi_pow_38_interval mulPos; dsimp
  59  exact mul_pos phi_pow_37_lo_pos phi_lo_pos
  60
  61/-- Interval for φ^140 = φ^102 * φ^38 -/

used by (3)

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depends on (7)

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