Dan Constantin Radulescu new and old math papers

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An extension of valid syllogisms to valid categorical arguments, and a reduction of the latter to only Barbara, Darapti, Darii and Disamis see https://arxiv.org/abs/1805.09646

To the memory of my sister Cristina Popa, 1948-2018.

An extension of valid syllogisms to valid categorical arguments

https://osf.io/ey8r9 Preprint DOI 10.31219/osf.io/ey8r9

Set-Theoretical Model (STM) of categorical syllogisms. DOI: 10.31219/osf.io/zrd7v. See preprint at: https://osf.io/x5dhc

About the set theory model of categorical syllogisms (pdf)

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Last version 3/24/20: An extension of valid syllogisms to valid categorical arguments (pdf)

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Variation and Pattern in Syllogisms and Biliteral Sorites (pdf)

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An Extension of the Rules of Valid Syllogism to Rules of Conclusive Syllogisms with Indefinite Terms (pdf)

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