ScalingStacks

Example 2.7. By T.2.3.4.5, an $\infty$-category $\mathcal{C}$ is a $1$-category if and only if it is isomorphic to the nerve of an ordinary category. By T.2.3.4.3, it is a $0$-category if and only if it is isomorphic to the nerve of a poset (compare Example 2.3)