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Cassius Jackson Keyser
(15 May 1862 - 8 May 1947)
American mathematician whose career included being a prolific writer and a lecturer, especially in the area of mathematical philosophy.
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Science Quotes by Cassius Jackson Keyser (1)
The validity of mathematical propositions is independent of the actual world—the world of existing subject-matters—is logically prior to it, and would remain unaffected were it to vanish from being.
— Cassius Jackson Keyser
The Pastures of Wonder: The Realm of Mathematics and the Realm of Science (1929), 99.
