Combining Philosophers

All the ideas for Pherecydes, Carl Friedrich Gauss and R Cook / P Ebert

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4 ideas

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / d. Actual infinite

10855

Actual infinities are not allowed in mathematics - only limits which may increase without bound [Gauss]

18. Thought / E. Abstraction / 7. Abstracta by Equivalence

9141	Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert]

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]

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

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