Abstract
There are different views of the logic of plurals that are now in circulation, two of which we will compare in this paper. One of these is based on a two-place relation of being among, as in ‘Peter is among the juveniles arrested’. This approach seems to be the one that is discussed the most in philosophical journals today. The other is based on Bertrand Russell’s early notion of a class as many, by which is meant not a class as one, i.e., as a single entity, but merely a plurality of things. It was this notion that Russell used to explain plurals in his 1903 Principles of Mathematics; and it was this notion that I was able to develop as a consistent system that contains not only a logic of plurals but also a logic of mass nouns as well. We compare these two logics here and then show that the logic of the Among relation is reducible to the logic of classes as many.
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Cocchiarella, N.B. Two Views of the Logic of Plurals and a Reduction of One to the Other. Stud Logica 103, 757–780 (2015). https://doi.org/10.1007/s11225-014-9591-y
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DOI: https://doi.org/10.1007/s11225-014-9591-y