Combining Texts

Ideas for 'fragments/reports', 'Against the Mathematicians' and 'Summa Theologicae'

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2 ideas

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]
	Full Idea: Archelaus was the first person to say that the universe is boundless.
	From: report of Archelaus (fragments/reports [c.450 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 02.Ar.3

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?).