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Ideas for 'fragments/reports', 'Posterior Analytics' and 'Introduction of 'Essence of Christianity''

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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]

26. Natural Theory / B. Natural Kinds / 6. Necessity of Kinds

12375

Whatever holds of a kind intrinsically holds of it necessarily [Aristotle]