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The more I think about it the more certain I am that many unsolved problems, not just anthropics, are due to the deep-rooted habit of a view-from-nowhere reasoning. Recognizing perspective as a fundamental part of logic would be the way out.
Problems such as anthropics, interpretive challenges of quantum mechanics, CDT's problem of non-self-analyzing, how agency and free will coexist with physics, Russel's paradox and Godel's incomplete theorem etc
Maybe I am the man with a hammer looking for nails. Yet deep down I have to be honest to myself and say I don't think that's the case.
I agree that there are multiple interpretative challenges around agency that have a common root. However, I think decision theories and free will are distinct from Russel's paradox and mathematical consistency problems. I think PBR helps with the first but not with the second. At some level, there is a commonality to all "problems" in and with symbolic reasoning. But I think PBR will not help with it as it is itself symbolic.