case refine'_1
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ 0 < ↑n + 1

case refine'_2
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ ↑n + 1 < ↑m + 1
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ 1 / (↑m + 1) < 1 / (↑n + 1)
refine' one_div_lt_one_div_of_lt _ _
case refine'_2
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ ↑n + 1 < ↑m + 1
case refine'_1
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ 0 < ↑n + 1

case refine'_2
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ ↑n + 1 < ↑m + 1
exact Nat.cast_add_one_pos _
no goals
case refine'_2
α : Type u_1
inst✝ : LinearOrderedSemifield α
n m : ℕ
h : n < m
⊢ ↑n + 1 < ↑m + 1
simpa