What foundational premise supports the model of infinite spatial repetitions within one spacetime continuum?

Answer

The universe stretching on forever combined with a finite number of ways particles can arrange themselves.

If space extends infinitely, and there are only a finite number of ways that matter particles (which are finite in type) can be arranged within any given volume, then any finite configuration must inevitably repeat somewhere else in that infinite space.

What foundational premise supports the model of infinite spatial repetitions within one spacetime continuum?

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