(* MULTIPLE RELOCATION WITH PAIRS *******************************************)
let rec pluss (des:list2 nat nat) (i:nat) on des ≝ match des with
-[ nil2 â\87\92 â\9f
+[ nil2 â\87\92 â\97\8a
| cons2 d e des ⇒ {d + i, e} @ pluss des i
].
(* Basic inversion lemmas ***************************************************)
-lemma pluss_inv_nil2: â\88\80i,des. des + i = â\9f â\86\92 des = â\9f .
+lemma pluss_inv_nil2: â\88\80i,des. des + i = â\97\8a â\86\92 des = â\97\8a.
#i * // normalize
#d #e #des #H destruct
qed.