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What needs to be proven is that [if] we live in the only universe. That we live in one universe [where both GR and SM are correct] is not, as far as I know, bei
by redial 10y ago
What needs to be proven is that [if] we live in the only universe. That we live in one universe [where both GR and SM are correct] is not, as far as I know, being debated.
- TheOtherHobbes 10y agoExcept in Many Worlds. :) Side question - if MW were true, could it lead to universes where either/both of GR and SM were very different? Are there any constraints on theory classes? Is it possible to go past the usual ideas of MW (different physical constants, or maybe some trivial historical differences) to imagine universes with completely different logical/mathematical/causal bases?