Combining Philosophers

All the ideas for Herodotus, Peter (Pyotr) Kropotkin and Hermann von Helmholtz

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4 ideas

25. Social Practice / B. Equalities / 1. Grounds of equality

20486

Only liberty, equality and sympathy can stand up to anti-social people [Kropotkin]

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]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

1513	The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus]