20 lines
666 B
Text
20 lines
666 B
Text
# Set: pp::colors
|
|
Set: pp::unicode
|
|
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
|
|
## Error (line: 15, pos: 9) unknown tactic 'simple2_tac'
|
|
## Error (line: 15, pos: 22) invalid 'done' command, proof cannot be produced from this state
|
|
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
|
|
## Error (line: 18, pos: 0) failed to prove theorem, proof has been aborted
|
|
Proof state:
|
|
A : Bool, B : Bool, H : A ∧ B, H1 : A, H2 : B ⊢ B ∧ A
|
|
# echo command after failure
|