let parametrize_proof p l r ty =
let uniq l = HExtlib.list_uniq (List.sort Pervasives.compare l) in
let mot = CicUtil.metas_of_term_set in
let parametrize_proof p l r ty =
let uniq l = HExtlib.list_uniq (List.sort Pervasives.compare l) in
let mot = CicUtil.metas_of_term_set in