Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'works' and 'Theory of Knowledge (2nd ed 1977)'

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4 ideas

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / a. Axioms for numbers

3338	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

5897	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

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

11. Knowledge Aims / A. Knowledge / 5. Aiming at Truth

19569

We have a basic epistemic duty to believe truth and avoid error [Chisholm, by Kvanvig]