Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'On the Conservation of Force' and 'Of liberty, Fate and God's grace'

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

13082

The complete concept of an individual includes contingent properties, as well as necessary ones [Leibniz]

27. Natural Reality / A. Classical Physics / 2. Thermodynamics / a. Energy

20646

Helmholtz used 'energy' to mathematically link heat, light, electricity and magnetism [Helmholtz, by Watson]

27. Natural Reality / A. Classical Physics / 2. Thermodynamics / c. Conservation of energy

20973

All forces conserve the sum of kinetic and potential energy [Helmholtz, by Papineau]