Combining Texts

All the ideas for 'fragments/reports', 'The World' and 'Mathematics without Numbers'

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7 ideas

6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / c. Nominalist structuralism
8698 Modal structuralism says mathematics studies possible structures, which may or may not be actualised [Hellman, by Friend]
9557 Statements of pure mathematics are elliptical for a sort of modal conditional [Hellman, by Chihara]
10263 Modal structuralism can only judge possibility by 'possible' models [Shapiro on Hellman]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
22593 Our sensation of light may not be the same as what produces the sensation [Descartes]
23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues
6004 The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / f. Ancient elements
16569 The Hot, Cold, Wet and Dry of the philosophers need themselves to be explained [Descartes]
27. Natural Reality / A. Classical Physics / 1. Mechanics / b. Laws of motion
20964 Descartes said there was conservation of 'quantity of motion' [Descartes, by Papineau]