Abstract
It is tempting to dismiss the logic of analyzed propositions offered in the fifteenth, sixteenth and seventeenth centuries as the mere repetition of Aristotelian syllogistic, and it is true that very little attempt was made to expand the list of inferences offered. Such non-Aristotelian elements as appeared were usually derived from early medieval sources, and the majority of the textbook discussions were wholly pedestrian, derivative and interchangeable one with another. However, it would be a mistake to suppose that the study of syllogistic in this period had nothing to offer us, for it turns out upon examination that on those occasions when an explanation is offered the way the system was interpreted is of great interest and some originality.
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References
F. Sommers, ‘The Calculus of Terms’, Mind 79 (1970) 6.
Niphus, Libros Priorum, 9. Cf. I. Thomas, “Kilwardby on Conversion”, Dominican Studies 6 (1953) note 22, 74f., for the medieval antecedents of this way of proving the rules of conversion.
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© 1974 D. Reidel Publishing Company, Dordrecht, Holland
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Ashworth, E.J. (1974). Formal Logic. Part Two: The Logic of Analyzed Propositions. In: Language and Logic in the Post-Medieval Period. Synthese Historical Library, vol 12. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2226-2_4
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DOI: https://doi.org/10.1007/978-94-010-2226-2_4
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