= Lucien Hardy
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{tag=Physicist}
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<Lucien Hardy> gave an argument against <local hidden-variable theories> using logical exclusions among two-particle measurement outcomes, rather than a statistical <Bell inequality>. The structure combines outcomes forbidden by <quantum mechanics> with another outcome that remains possible: assigning all the relevant local results in advance cannot satisfy these requirements together. His 1992 paper also examined an additional assumption about Lorentz-invariant elements of reality, keeping the role of that assumption explicit in its comparison with <quantum mechanics>.<Quantum mechanics, local realistic theories, and Lorentz-invariant realistic theories by Lucien Hardy>[Abstract, two-particle inequality-free argument and Lorentz-invariant reality assumption]{ref}
Homepage: https://perimeterinstitute.ca/people/lucien-hardy
\Image[https://perimeterinstitute.ca/sites/default/files/styles/people_446x514/public/2021-02/Lucien%20Hardy_1856.jpg]
{title=Lucien Hardy; portrait hosted by Perimeter Institute}
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