Abstract
A diagrammatic logical calculus for the syllogistic reasoning is introduced and discussed. We prove that a syllogism is valid if and only if it is provable in the calculus.
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Pagnan, R. A Diagrammatic Calculus of Syllogisms. J of Log Lang and Inf 21, 347–364 (2012). https://doi.org/10.1007/s10849-011-9156-7
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DOI: https://doi.org/10.1007/s10849-011-9156-7