"Darwinism is not a testable scientific theory, but a metaphysical research program."
— Karl Popper

January 1, 1970

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HumanistsPhilosophers from the United KingdomPhilosophers from AustriaLogicians from AustriaLogicians from the United Kingdom
Original Language: English

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Unsourced variant: Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it is not really testable science.