Example 11.4.0.3. The horn $\Lambda ^{0}_{0}$ is the empty simplicial set (and therefore coincides with the boundary $\operatorname{\partial \Delta }^{0}$).
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$
Example 11.4.0.3. The horn $\Lambda ^{0}_{0}$ is the empty simplicial set (and therefore coincides with the boundary $\operatorname{\partial \Delta }^{0}$).