Remark 4.5.1.25. The homotopy category $\mathrm{h} \mathit{\operatorname{QCat}}$ of Construction 4.5.1.1 can be identified with the homotopy category of the $2$-category $\mathrm{h}_{2} \mathit{\operatorname{\mathbf{QCat}}}$ (in the sense of Construction 2.2.8.12); see Remark 2.4.6.18).
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$