Combining Philosophers

All the ideas for Pherecydes, Anon (Plat) and Hermann Weyl

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

5 ideas

2. Reason / D. Definition / 1. Definitions
15927 Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine]
17. Mind and Body / A. Mind-Body Dualism / 1. Dualism
3519 Man uses his body, so must be separate from it [Anon (Plat), by Maslin]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances
22745 Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus]
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / e. Anti scientific essentialism
10246 The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl]
29. Religion / D. Religious Issues / 2. Immortality / a. Immortality
5883 Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]