Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'Two Chief World Systems' and 'Critical Common-Sensism'

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

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4 ideas

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects

14798

All communication is vague, and is outside the principle of non-contradiction [Peirce]

14797

Vagueness is a neglected but important part of mathematical thought [Peirce]

27. Natural Reality / A. Classical Physics / 1. Mechanics / b. Laws of motion

19673

Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux]