# Kerodon

$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$

Example 1.3.0.3. Every Kan complex is an $\infty$-category. In particular, if $X$ is a topological space, then the singular simplicial set $\operatorname{Sing}_{\bullet }(X)$ is an $\infty$-category.