Combining Philosophers

All the ideas for Pherecydes, Giles of Orleans and Einstein,A/Infeld,L

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4 ideas

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities

16721

Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans]

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]

27. Natural Reality / B. Modern Physics / 2. Electrodynamics / b. Fields

18202

The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld]

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

5883	Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]