Combining Texts

Ideas for 'fragments/reports', 'On Medical Experience' and 'Letters to Thomas Burnett'

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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 / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

13198	Gravity is within matter because of its structure, and it can be explained. [Leibniz]
	Full Idea: I believe that both gravity and elasticity are in matter only because of the structure of the system and can be explained mechanically or through impulsion.
	From: Gottfried Leibniz (Letters to Thomas Burnett [1703], 1699 draft)
	A reaction: The significance of this remark is that gravity is held (in full knowledge of Newton's work) to be within matter, and not imposed from the outside. I believe we now postulate a particle as part of the explanation.