Combining Texts

All the ideas for 'Theory of Knowledge (2nd edn)', 'Presupposition' and 'The World'

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7 ideas

1. Philosophy / C. History of Philosophy / 4. Later European Philosophy / b. Seventeenth century philosophy
2945 Most philosophers start with reality and then examine knowledge; Descartes put the study of knowledge first [Lehrer]
1. Philosophy / F. Analytic Philosophy / 4. Conceptual Analysis
2946 You cannot demand an analysis of a concept without knowing the purpose of the analysis [Lehrer]
4. Formal Logic / A. Syllogistic Logic / 3. Term Logic
19053 Logic would be more natural if negation only referred to predicates [Dummett]
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not
19052 Natural language 'not' doesn't apply to sentences [Dummett]
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]
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]