[orangecat]

Level 2 is universes generally like ours but with different physical constants: https://en.wikipedia.org/wiki/Multiverse#Level_II:_Universes.... Level 4 includes all abstract mathematical structures, like a universe embedded in a Game of Life simulation.

[rantwasp]

i guess i got it wrong but it's still L2 != L3

[hachibu]

This is great. I'm learning so much from this thread.