18 lines
No EOL
320 B
Text
18 lines
No EOL
320 B
Text
import logic
|
|
using tactic
|
|
|
|
section
|
|
set_option pp.universes true
|
|
set_option pp.implicit true
|
|
parameter {A : Type}
|
|
parameters {a b : A}
|
|
parameter H : a = b
|
|
parameters H1 H2 : b = a
|
|
check H1
|
|
check H
|
|
check H2
|
|
theorem test : a = b ∧ a = a
|
|
:= by apply and_intro; apply H; apply refl
|
|
end
|
|
|
|
check @test |