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Author: WikiMatrix
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English[en]
He was a pioneer investigator of multi-valued logics; his three-valued propositional calculus, introduced in 1917, was the first explicitly axiomatized non-classical logical calculus.
Spanish[es]
Łukasiewicz trabajó en lógica plurivalente, incluyendo su propio cálculo de tres valores de verdad, la primera lógica de cálculo no clásica.