A tinge of College Math for older syllogisms

An extension of valid syllogisms to valid categorical arguments and a reduction

of the latter to only Barbara, Darapti, Darii and Disamis

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

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

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

A Matricial Vue of Syllogistic and Syllogisms (pdf)