Combining Texts

All the ideas for 'fragments/reports', 'Essays on Intellectual Powers 1: Preliminary' and 'The Philosophy of Logic'

expand these ideas     |    start again     |     specify just one area for these texts

---

9 ideas

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / i. Cardinal infinity

18200

Very large sets should be studied in an 'if-then' spirit [Putnam]

6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / b. Indispensability of mathematics

18199

Indispensability strongly supports predicative sets, and somewhat supports impredicative sets [Putnam]

8857	We must quantify over numbers for science; but that commits us to their existence [Putnam]

12. Knowledge Sources / E. Direct Knowledge / 1. Common Sense

23633

Many truths seem obvious, and point to universal agreement - which is what we find [Reid]

18. Thought / C. Content / 2. Ideas

23630

Only philosophers treat ideas as objects [Reid]

19. Language / A. Nature of Meaning / 9. Ambiguity

23629

The ambiguity of words impedes the advancement of knowledge [Reid]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

26. Natural Theory / C. Causation / 1. Causation

23632

Similar effects come from similar causes, and causes are only what are sufficient for the effects [Reid]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]