lemma
proved
term proof
phi_pow_strictMono
show as:
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formal statement (Lean)
65lemma phi_pow_strictMono {m n : ℕ} (hmn : m < n) : phi ^ m < phi ^ n := by
proof body
Term-mode proof.
66 have hphi_pos : 0 < phi := phi_pos
67 exact pow_lt_pow_right₀ one_lt_phi hmn
68
69/-- **J(φ^m) < J(φ^n) FOR m < n**. -/