intro x hx
case h.h₂.h₂.h1.a.h
n : ℕ
hn : 2 < n
⊢ ∀ (x : ℕ), x ∈ Finset.Ioc (2 * n / 3) n → x ^ ↑(Nat.factorization (Nat.centralBinom n)) x = 1
case h.h₂.h₂.h1.a.h
n : ℕ
hn : 2 < n
x : ℕ
hx : x ∈ Finset.Ioc (2 * n / 3) n
⊢ x ^ ↑(Nat.factorization (Nat.centralBinom n)) x = 1