Set option: pp::colors
  Assumed: a
  Assumed: b
a ∧ b
a ∧ b ∧ a
a ∧ b
a ∧ b
a ∧ b
a ∧ b
a ∨ b
a ∨ b
a ∨ b
a ∨ b
a ∨ a ∨ b
a ⇒ b ⇒ a
Bool
ite Bool a a ⊤
a
  Assumed: H1
  Assumed: H2
Π (a b : Bool) (H1 : a ⇒ b) (H2 : a), b
MP H2 H1
b