t1: f (g x) y
loc(t1): at line 1, column 0 - at line 1, column 9
t2: let x := 1 in f (f x 2)
loc(t2): at line 1, column 0 - at line 1, column 22
t3: let l := map f (list 1 2 3) in let l2 := rev l in = (rev l2) l
loc(t3): at line 1, column 0 - at line 1, column 60
t4: let assm := ==> (is_foo p) (= (filter p l) nil) in true
loc(t4): at line 1, column 0 - at line 1, column 51
t5: let f := lam (x y : int) (z : bool). (= (+ x y) z)
    and g := lam x. (f (f x)) in is_g g
loc(t5): at line 1, column 0 - at line 1, column 84
d1:
  def f (x y : list int) : list int := if (= x 0) y whatever;
  #ty f;
  #sledgehammer lam x y. (= (f x y) (f x y));