Remark 4.5.9.12. Let $U: \operatorname{\mathcal{C}}\rightarrow \operatorname{\mathcal{B}}$ and $V: \operatorname{\mathcal{D}}\rightarrow \operatorname{\mathcal{C}}$ be exponentiable morphisms of simplicial sets. Then the composition $(U \circ V): \operatorname{\mathcal{D}}\rightarrow \operatorname{\mathcal{B}}$ is also exponentiable.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$