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A comment on Psychedelics alter metaphysical beliefs. Parent comment

Re:Psychedelics alter metaphysical beliefs by fsh on Wednesday December 08, 2021 @11:23AM (#29486664)
Of course measurements are always imperfect. The point is that an objective reality exists that can be measured. Which piece of rock we use to compare other masses to does not change that.
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Re:Psychedelics alter metaphysical beliefs by TremendousJudge on Wednesday December 08, 2021 @11:32AM (#29486819)
I agree that in usual practice, we can assume that there is a measurable, objective reality. However, once you get to the limits of human knowledge, everything starts shifting like quicksand and it becomes less obvious that there's an objective reality that we all share.
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Re:Psychedelics alter metaphysical beliefs by malermeister on Wednesday December 08, 2021 @11:27AM (#29486732)
How does that in any way prove your point? What if all the measuring devices, their history, this very conversation, what if all of that was a hallucination?

How would you know? How do you propose we definitely prove it isn't?

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