If the universe/big bang didn’t exist, would numbers conceptually still exist? i.e zero is still zero regardless of whether any matter exists, right?
If there is no form of existence in which math doesn’t exist, then everything ultimately exists necessarily. It has to exist, as a result of being derived from the infinity of math.
Everything is just math, and it therefore has no option but to exist.
https://en.m.wikipedia.org/wiki/Mathematical_universe_hypothesis
Nausicaä