22 lines
301 B
Text
22 lines
301 B
Text
|
VISIT apply_info.lean
|
||
|
SYNC 17
|
||
|
import logic
|
||
|
theorem tst1 (a b : Prop) : a → b → a ∧ b :=
|
||
|
begin
|
||
|
intro Ha,
|
||
|
intro Hb,
|
||
|
apply and.intro,
|
||
|
apply Ha,
|
||
|
apply Hb,
|
||
|
end
|
||
|
|
||
|
theorem tst2 (a b : Prop) : a → b → a ∧ b :=
|
||
|
assume Ha Hb,
|
||
|
begin
|
||
|
apply and.intro,
|
||
|
apply Ha,
|
||
|
apply Hb,
|
||
|
end
|
||
|
WAIT
|
||
|
INFO 7
|
||
|
INFO 16
|