Goal:
    A : Type  RA : ReflectEq A  x : list A  y : list A
  ============================
   (reflectProp (x = y) (eqb_list eqb x y))


DEBUG:Going to execute:
<coq-core.plugins.ltac::unify@0> $1 $2
DEBUG LTAC Evaluated term: (list A)
DEBUG LTAC Evaluated term: (list A)