Combining Texts

Ideas for 'works', 'What Numbers Are' and 'Regressive Method for Premises in Mathematics'

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3 ideas

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

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Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP]

6. Mathematics / B. Foundations for Mathematics / 2. Proof in Mathematics

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It seems absurd to prove 2+2=4, where the conclusion is more certain than premises [Russell]

6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / a. Mathematical empiricism

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Arithmetic was probably inferred from relationships between physical objects [Russell]