Johnson, Fred (Frederick A.), authorDuke University Press, publisher2019-10-232019-10-231999Johnson, Fred. Parry Syllogisms. Notre Dame J. Formal Logic 40 (1999), no. 3, 414--419. https://doi.org/10.1305/ndjfl/1022615619. https://projecteuclid.org/euclid.ndjfl/1022615619https://hdl.handle.net/10217/198388Parry discusses an extension of Aristotle's syllogistic that uses four nontraditional quantifiers. We show that his conjectured decision procedure for validity for the extended syllogistic is correct even if syllogisms have more than two premises. And we axiomatize this extension of the syllogistic.born digitalarticlesengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.subsystem of classical logic (including intuitionistic logic)logic with extra quantifiers and operatorsTexthttps://doi.org/10.1305/ndjfl/1022615619