expected


----------                 Goal:                  ----------
{hole0} : Int -> Int -> Int
-Main.arhs> ----------              Other goals:              ----------
{hole0}
----------              Assumptions:              ----------
 x : Int
----------                 Goal:                  ----------
{hole1} : Int -> Int
-Main.arhs> ----------              Other goals:              ----------
{hole1},{hole0}
----------              Assumptions:              ----------
 x : Int
 y : Int
----------                 Goal:                  ----------
{hole2} : Int
-Main.arhs> arhs: No more goals.
-Main.arhs> Proof completed!
Main.arhs = proof
  intro x
  intros
  trivial