9 lines
No EOL
193 B
Text
9 lines
No EOL
193 B
Text
import logic
|
|
using tactic
|
|
|
|
theorem tst {A B : Prop} (H1 : A) (H2 : B) : A
|
|
:= by [trace "first"; state; now |
|
|
trace "second"; state; fail |
|
|
trace "third"; assumption]
|
|
|
|
check tst |