IF THE LEVEL I MULTIVERSE was hard to stomach, try imagining an infinite set of distinct Level I multiverses, some perhaps with different spacetime dimensionality and different physical constants.

• 如果觉得第一层的多重宇宙太大而难以消化，那不妨试著想像一个由无穷多个第一层多重宇宙所形成的集合吧！其中也许各有各的时空维度，以及各自的物理常数。