Example 3.5.1.18. Let $X$ be a simplicial set and let $n$ be an integer. Then $X$ is $n$-connective (in the sense of Variant 3.5.1.6) if and only if the projection map $X \rightarrow \Delta ^0$ is $n$-connective (in the sense of Variant 3.5.1.15).
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$