Kerodon

$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$

Example 1.1.4.4. Let $S = \{ s \} $ be a set containing a single element. Then $\underline{S}_{\bullet }$ is a final object of the category of simplicial sets: that is, it is isomorphic to the standard simplex $\Delta ^0$.