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See the work I posted in sibling comment in this chain.

• cynicalpeace 2y ago
  The subject has been debated ad nauseam by everyone like Descartes, Hume, Kant, and so on. If there were no one around to state 1 + 1 = 2, there would be no such statement. Hence, it does rely on at least 1 person's experience. Yours in fact, since everyone else could be an illusion.