Lemma 13.14.11. Assumptions and notation as in Situation 13.14.1. Let $X$ be an object of $\mathcal{D}$ and $n \in \mathbf{Z}$.

$X$ computes $RF$ if and only if $X[n]$ computes $RF$.

$X$ computes $LF$ if and only if $X[n]$ computes $LF$.

Lemma 13.14.11. Assumptions and notation as in Situation 13.14.1. Let $X$ be an object of $\mathcal{D}$ and $n \in \mathbf{Z}$.

$X$ computes $RF$ if and only if $X[n]$ computes $RF$.

$X$ computes $LF$ if and only if $X[n]$ computes $LF$.

**Proof.**
Omitted.
$\square$

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