Example 3.5.4.3. For $n \leq -2$, a simplicial set $X$ is weakly $n$-coskeletal if and only if it isomorphic to the standard $0$-simplex $\Delta ^0$.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Example 3.5.4.3. For $n \leq -2$, a simplicial set $X$ is weakly $n$-coskeletal if and only if it isomorphic to the standard $0$-simplex $\Delta ^0$.