#[deprecated(since="8.16",note="Use pow_inv.")]
Notation Rinv_pow := Rinv_pow_depr.

Lemma pow_lt_1_zero : forall x:R, Rabs x < 1 -> forall y:R, 0 < y -> exists N : nat, (forall n:nat, (n >= N)%nat -> Rabs (x ^ n) < y).