"The principle premisses of Leibniz's philosophy appear to me to be five... : I. Every proposition has a subject and a predicate. II. A subject may have predicates which are qualities existing at various times. (Such a subject is called a substance.) III. True propositions not asserting existence at particular times are necessary and analytic, but such as assert existence at particular times are contingent and synthetic. The latter depend upon final causes. IV. The Ego is a substance. V. Perception yields knowledge of an external world, ie. of existents other than myself and my states. The fundamental objection to Leibniz's philosophy will be found to be the inconsistency of the first premiss with the fourth and fifth; and in this inconsistency we shall find a general objection to Monadism."
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Academics from GermanyInventorsMathematicians from GermanyPhysicists from GermanyPhilosophers from Germany
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Bertrand Russell, A Critical Exposition of the Philosophy of Leibniz (1900) Ch. 1, Leibniz's Premisses, p, 4.
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Gottfried Leibniz
Gottfried Wilhelm von Leibniz (1 July 1646 {21 June O.S.} – 14 November 1716) was a German philosopher and mathematician.
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