Combining Texts

All the ideas for 'fragments/reports', 'A Dictionary of Philosophy' and 'Letters to Queen Charlotte'

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9 ideas

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / a. Axioms for numbers
23026 We know mathematical axioms, such as subtracting equals from equals leaves equals, by a natural light [Leibniz]
9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities
13189 A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz]
10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
19432 Intelligible truth is independent of any external things or experiences [Leibniz]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
19430 We know objects by perceptions, but their qualities don't reveal what it is we are perceiving [Leibniz]
12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory
6455 Maybe 'sense-data' just help us to talk about unusual perceptual situations [Lacey]
12. Knowledge Sources / B. Perception / 4. Sense Data / b. Nature of sense-data
6454 Where do sense-data begin or end? Can they change? What sort of thing are they? [Lacey]
6453 Some claim sense-data are public, and are parts of objects [Lacey]
12. Knowledge Sources / D. Empiricism / 1. Empiricism
19431 There is nothing in the understanding but experiences, plus the understanding itself, and the understander [Leibniz]
22. Metaethics / C. The Good / 2. Happiness / b. Eudaimonia
5996 Critolaus redefined Aristotle's moral aim as fulfilment instead of happiness [Critolaus, by White,SA]