theorem
proved
tactic proof
gap_balance
show as:
view Lean formalization →
formal statement (Lean)
109theorem gap_balance :
110 phi ^ (A - ↑(integrationGap D)) * phi ^ (↑(integrationGap D) : ℤ) = phi := by
proof body
Tactic-mode proof.
111 have hg : (↑(integrationGap D) : ℤ) = 45 := by exact_mod_cast integrationGap_at_D3
112 rw [hg, show A = (1 : ℤ) from rfl, ← zpow_add₀ (ne_of_gt phi_pos)]
113 have : (1 : ℤ) - 45 + 45 = 1 := by norm_num
114 rw [this, zpow_one]
115
116end
117
118/-! ## Master certificate -/
119