Kerodon

$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$

Example 3.5.1.2. For each integer $n \geq 0$, the standard $n$-simplex $\Delta ^{n}$ is finite.