Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'works' and 'Examination of McTaggart's Philosophy'

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


4 ideas

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / a. Axioms for numbers
Numbers have been defined in terms of 'successors' to the concept of 'zero' [Peano, by Blackburn]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / d. Peano arithmetic
0 is a non-successor number, all successors are numbers, successors can't duplicate, if P(n) and P(n+1) then P(all-n) [Peano, by Flew]
8. Modes of Existence / D. Universals / 1. Universals
Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]
9. Objects / E. Objects over Time / 4. Four-Dimensionalism
Surely the past phases of a thing are not parts of the thing? [Broad]