Combining Philosophers
Ideas for James Rachels, Alex Orenstein and Charles Sanders Peirce
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6 ideas
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / b. Types of number
8454
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The whole numbers are 'natural'; 'rational' numbers include fractions; the 'reals' include root-2 etc. [Orenstein]
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6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure
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Numbers are just names devised for counting [Peirce]
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6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / c. Against mathematical empiricism
14776
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That two two-eyed people must have four eyes is a statement about numbers, not a fact [Peirce]
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6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism
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Mathematics is close to logic, but is even more abstract [Peirce]
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8473
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The logicists held that is-a-member-of is a logical constant, making set theory part of logic [Orenstein]
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6. Mathematics / C. Sources of Mathematics / 10. Constructivism / c. Conceptualism
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We now know that mathematics only studies hypotheses, not facts [Peirce]
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