diff options
Diffstat (limited to 'plugins/btauto/Reflect.v')
| -rw-r--r-- | plugins/btauto/Reflect.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/plugins/btauto/Reflect.v b/plugins/btauto/Reflect.v index 8a95d5b4b..3bd7cd622 100644 --- a/plugins/btauto/Reflect.v +++ b/plugins/btauto/Reflect.v @@ -196,9 +196,9 @@ Qed. Lemma make_last_nth_1 : forall A n i x def, i <> n -> list_nth i (@make_last A n x def) def = def. Proof. -intros A n; induction n using Pos.peano_rect; intros i x def Hd; simpl. -+ unfold make_last; rewrite Pos.peano_rect_base. - induction i using Pos.peano_case; [elim Hd; reflexivity|]. +intros A n; induction n using Pos.peano_rect; intros i x def Hd; + unfold make_last; simpl. ++ induction i using Pos.peano_case; [elim Hd; reflexivity|]. rewrite list_nth_succ, list_nth_nil; reflexivity. + unfold make_last; rewrite Pos.peano_rect_succ; fold (make_last n x def). induction i using Pos.peano_case. |