16 lines
No EOL
378 B
Text
16 lines
No EOL
378 B
Text
# Set: pp::colors
|
||
Set: pp::unicode
|
||
Proof state:
|
||
a : Bool, b : Bool, H : b ⊢ a ∨ b
|
||
## Proof state:
|
||
a : Bool, b : Bool, H : b ⊢ a
|
||
## Proof state:
|
||
a : Bool, b : Bool, H : b ⊢ b
|
||
## [stdin]:9:0: error: failed to backtrack
|
||
Proof state:
|
||
a : Bool, b : Bool, H : b ⊢ b
|
||
## Proof state:
|
||
no goals
|
||
## Proved: T2
|
||
# theorem T2 (a b : Bool) (H : b) : a ∨ b := or_intror a H
|
||
# |