Chapter

Quantity: Change and Mass

Richard Cross

in The Physics of Duns Scotus

Published in print November 1998 | ISBN: 9780198269748
Published online October 2011 | e-ISBN: 9780191683787 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780198269748.003.0009
Quantity: Change and Mass

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This chapter deals with a sort of quantitative change: condensation and rarefaction. In the first section of the chapter, Scotus characterizes rarefaction as the sort of change resulting from an increase in extension without the corresponding increase in the amount of substance. The second section looks into the degree in which Scotus's account of condensation and rarefaction seems to imply some cognizance in what is labelled as ‘mass’. It argues that Scotus has an inchoate account of mass, which locates mass in the category of substance instead of quantity. Giles of Rome and many of his successors also have an account of mass, but they locate mass in the category of quantity, not substance. The chapter also discusses the merits of both views on mass.

Keywords: Giles of Rome; rarefaction; condensation; quantitative change; category of substance; category of quantity; mass

Chapter.  5515 words. 

Subjects: Philosophy of Religion

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