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Our brains comprehended a lot of stuff which appeared to be incomprehensible. Relativity theory, quantum mechanics, most branches of mathematics are so abstract that have no direct connection to the real-world "physical" experiences of our brains and bodies. And yet some members of humanity (although quite limited subset) develop these areas and reason within them. If "reason" in the widest sense is such a fundamental law that it extends beyond the whatever singularity took place, then it might still be possible to deduct something. (Simplistic example) Imagine creatures living in 2D world that itself is in 3D world and sometimes interacts with 3D object. Should these creatures be able to deduct some information about "outer" 3D world after prolonged study of projections that sometimes suddenly appear in their 2D world?