case bot
ι : Type u_1
I J✝ : Box ι
x y : ι → ℝ
J : WithBot (Box ι)
⊢ ↑⊥ ⊆ ↑J ↔ ⊥ ≤ J

case coe
ι : Type u_1
I J✝ : Box ι
x y : ι → ℝ
J : WithBot (Box ι)
a✝ : Box ι
⊢ ↑↑a✝ ⊆ ↑J ↔ ↑a✝ ≤ J
ι : Type u_1
I✝ J✝ : Box ι
x y : ι → ℝ
I J : WithBot (Box ι)
⊢ ↑I ⊆ ↑J ↔ I ≤ J
induction I using WithBot.recBotCoe
case coe.bot
ι : Type u_1
I J : Box ι
x y : ι → ℝ
a✝ : Box ι
⊢ ↑↑a✝ ⊆ ↑⊥ ↔ ↑a✝ ≤ ⊥

case coe.coe
ι : Type u_1
I J : Box ι
x y : ι → ℝ
a✝¹ a✝ : Box ι
⊢ ↑↑a✝¹ ⊆ ↑↑a✝ ↔ ↑a✝¹ ≤ ↑a✝
case coe
ι : Type u_1
I J✝ : Box ι
x y : ι → ℝ
J : WithBot (Box ι)
a✝ : Box ι
⊢ ↑↑a✝ ⊆ ↑J ↔ ↑a✝ ≤ J
induction J using WithBot.recBotCoe
no goals
case coe.coe
ι : Type u_1
I J : Box ι
x y : ι → ℝ
a✝¹ a✝ : Box ι
⊢ ↑↑a✝¹ ⊆ ↑↑a✝ ↔ ↑a✝¹ ≤ ↑a✝
simp [le_def]
no goals
case bot
ι : Type u_1
I J✝ : Box ι
x y : ι → ℝ
J : WithBot (Box ι)
⊢ ↑⊥ ⊆ ↑J ↔ ⊥ ≤ J
simp
no goals
case coe.bot
ι : Type u_1
I J : Box ι
x y : ι → ℝ
a✝ : Box ι
⊢ ↑↑a✝ ⊆ ↑⊥ ↔ ↑a✝ ≤ ⊥
simp [subset_empty_iff]