Goal:
  
  f : EdgeSet.elt -> EdgeSet.elt
  es : EdgeSet.t
  e : EdgeSet.elt
  __view_subject_1_ : In e (EdgeSet.elements es)
  ============================
   (In e (EdgeSetProp.to_list es))


DEBUG:Going to execute:
done
DEBUG LTAC Evaluated term: (in_map ?y ?l ?y0 ?i)