have : n > 0 := lt_step_le.mpr this
ℕ : Type
inst✝³ : Core ℕ
inst✝² : Induction ℕ
inst✝¹ : Addition ℕ
inst✝ : Sign ℕ
order_inst : Order ℕ
n : ℕ
x✝ : n ≥ 1
this : n ≥ step 0
⊢ Positive n
ℕ : Type
inst✝³ : Core ℕ
inst✝² : Induction ℕ
inst✝¹ : Addition ℕ
inst✝ : Sign ℕ
order_inst : Order ℕ
n : ℕ
x✝ : n ≥ 1
this✝ : n ≥ step 0
this : n > 0
⊢ Positive n