Kerodon

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

Example 3.5.3.3. Let $Q$ be a partially ordered set. Then the nerve $\operatorname{N}_{\bullet }(Q)$ is $1$-coskeletal. In particular, every discrete simplicial set is $1$-coskeletal.