import Mathlib /- Original: u = 1 + cn(ϕ, m) = and hence cn(ϕK , m) = 2 , 1 + x2 (1 − x2 ) -/ theorem eq_cc987483e73ebf5c (cn : ℕ) (hence : ℕ) (m : ℕ) (u : ℕ) (x2 : ℕ) (ϕ : ℕ) (ϕK : ℕ) : u = 1 + cn(ϕ, m) = ∧ hence cn(ϕK , m) = 2 , 1 + x2 (1 - x2 ) := by omega