Exercise 11.9.7.5. Show that the conclusion of Lemma 11.9.7.4 holds if we replace the $\infty $-category $\operatorname{\mathcal{C}}$ by an arbitrary simplicial set $X$.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Exercise 11.9.7.5. Show that the conclusion of Lemma 11.9.7.4 holds if we replace the $\infty $-category $\operatorname{\mathcal{C}}$ by an arbitrary simplicial set $X$.