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Ideas for 'The Metaontology of Abstraction', 'Summa Theologicae' and 'What is so bad about Contradictions?'

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26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / c. Matter as extension

16687	Bodies are three-dimensional substances [Aquinas]
	Full Idea: Bodies are those substances in which one finds three dimensions.
	From: Thomas Aquinas (Summa Theologicae [1265], Ia Q18.2c), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 16.2
	A reaction: Pasnau points out that this extensional view of physical bodies was a commonplace long before Descartes. Presumably there are also non-dimensional substances (such as angels?).