#   Set: pp::colors
  Set: pp::unicode
Proof state:
A : Bool, B : Bool, H : A ∧ B ⊢ B
## Proof state:
A : Bool, B : Bool, H::1 : A, H::2 : B ⊢ B
## Proof state:
no goals
## Proof state:
A : Bool, B : Bool, H : A ∧ B, H1 : B ⊢ A
## Proof state:
A : Bool, B : Bool, H::1 : A, H::2 : B, H1 : B ⊢ A
## Proof state:
no goals
## Proof state:
A : Bool, B : Bool, H : A ∧ B, H1 : B, H2 : A ⊢ B ∧ A
## Proof state:
A : Bool, B : Bool, H : A ∧ B, H1 : B, H2 : A ⊢ B
A : Bool, B : Bool, H : A ∧ B, H1 : B, H2 : A ⊢ A
## Proof state:
no goals
##   Proved: T1
# Proof state:
A : Bool, B : Bool, H : A ∧ B ⊢ A
## Proof state:
no goals
## Proof state:
A : Bool, B : Bool, H : A ∧ B, H1 : A ⊢ B
## Proof state:
no goals
## Proof state:
A : Bool, B : Bool, H : A ∧ B, H1 : A, H2 : B ⊢ B ∧ A
## Proof state:
no goals
##   Proved: T2
#