Kerodon

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

Example 1.1.9.3. Let $S_{\bullet }$ be a simplicial set of dimension exactly $1$ (that is, a simplicial set $S_{\bullet }$ which arises from a directed graph with at least one edge). Then $S_{\bullet }$ is not a Kan complex.