Combining Texts

All the ideas for 'fragments/reports', 'Remarks on the forces of inorganic Nature' and 'Explanation in Mathematics'

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

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4 ideas

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

13166

Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]

9. Objects / E. Objects over Time / 8. Continuity of Rivers

579	Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

578	Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle]

27. Natural Reality / A. Classical Physics / 1. Mechanics / d. Gravity

13605

Gravity isn't a force, because it produces effects without diminishing [Mayer]