Topic: Karl Popper
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PHILOSOPHY
Philosophy of Science
Karl Popper
Karl Popper
Karl Popper revolutionized science with his idea that theories must be falsifiable to be scientific
8 Nov 2025
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What is the key criterion Karl Popper proposed to distinguish scientific theories from non-scientific ones?
Verification, meaning a theory must be repeatedly confirmed by observations
Falsifiability, meaning a theory must be testable and potentially refutable by experiments
Consensus, meaning a theory is scientific if most scientists agree on it
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