ScalingStacks

Example 5.3.2. Let $\mathcal{P}\to\mathcal{Q}$ be a $d$-equivalence of reduced $\infty$-operads. For every integer $k\geq 0$, the induced map $\mathcal{P}\otimes\mathbb{E}_{k}\to\mathcal{Q}\otimes\mathbb{E}_{k}$ is a $\left(d+k\right)$-equivalence.