Combining Philosophers

All the ideas for Pherecydes, Collegium Conimbricense and Hugh MacColl

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification

16751

Unity by aggregation, order, inherence, composition, and simplicity [Conimbricense, by Pasnau]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16720

Secondary qualities come from temperaments and proportions of primary qualities [Conimbricense]

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]