Remark 1.1.3.10. Passage from a simplicial set $S$ to the category of simplices $\operatorname{{\bf \Delta }}_{S}$ is a special case of the category of elements construction (see Variant 5.2.6.2), which we will return to in ยง5.2.6.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$