Combining Texts

Ideas for 'fragments/reports', 'Identity, Ostension, and Hypostasis' and 'Knowledge by Agreement'

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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 / B. Natural Kinds / 7. Critique of Kinds

10351	Natural kinds are social institutions [Kusch]
	Full Idea: Natural kinds are social institutions.
	From: Martin Kusch (Knowledge by Agreement [2002], Ch.11)
	A reaction: I can see what he means, but I take this to be deeply wrong. A clarification of what exactly is meant by a 'natural kind' is needed before we can make any progress with this one. Is a village a natural kind? Or a poodle? Or a shoal?