Example 3.5.4.4. A simplicial set $X$ is weakly $(-1)$-coskeletal if and only if it is either empty or isomorphic to the standard $0$-simplex $\Delta ^0$.
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Example 3.5.4.4. A simplicial set $X$ is weakly $(-1)$-coskeletal if and only if it is either empty or isomorphic to the standard $0$-simplex $\Delta ^0$.