Combining Texts

Ideas for 'talk', 'Politics' and 'The Principles of Mathematics'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

3 ideas

8. Modes of Existence / A. Relations / 1. Nature of Relations

21341

Philosophers of logic and maths insisted that a vocabulary of relations was essential [Russell, by Heil]

8. Modes of Existence / A. Relations / 4. Formal Relations / a. Types of relation

10586

'Reflexiveness' holds between a term and itself, and cannot be inferred from symmetry and transitiveness [Russell]

8. Modes of Existence / A. Relations / 4. Formal Relations / b. Equivalence relation

10585

Symmetrical and transitive relations are formally like equality [Russell]