Example 4.3.7.11. Let $X$ be a simplicial set, and let $v$ denote the cone point of the simplicial set $X^{\triangleright }$. Then the inclusion $\{ v\} \hookrightarrow X^{\triangleright }$ is right anodyne. In particular, it is a weak homotopy equivalence.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$