exact h.1
case a.mpr.inr
t : ℕ
P : ℕ → ℕ
h✝ : Balanced t P
this : ∀ (i : ℕ), i ∈ range (t + 1) → P i = minP t P ∨ P i = minP t P + 1
a : ℕ
h : a ∈ range (t + 1) ∧ P a = minP t P + 1
⊢ a ∈ range (t + 1)
no goals