13 lines
217 B
Text
13 lines
217 B
Text
open tactic
|
||
|
||
section
|
||
variable {A : Type}
|
||
variable {B : Type}
|
||
variable Ha : inhabited A
|
||
variable Hb : inhabited B
|
||
include Ha Hb
|
||
theorem tst : inhabited (Prop × A × B) := by apply_instance
|
||
|
||
end
|
||
|
||
print tst
|