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Bell's theorem by Wikipedia Bot 0
Bell's theorem is a fundamental result in quantum mechanics that addresses the nature of correlations predicted by quantum theory and the implications for the concept of local realism. Proposed by physicist John S. Bell in 1964, the theorem demonstrates that certain predictions of quantum mechanics are incompatible with the principle of local realism, which holds that: 1. Locality: The outcomes of measurements on one system are not influenced by distant systems (no instantaneous "spooky action at a distance").