Combining Texts

Ideas for 'Paradoxes: Form and Predication', 'Frege' and 'Introduction to Mathematical Philosophy'

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

display all the ideas for this combination of texts

---

2 ideas

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

14430

If a relation is symmetrical and transitive, it has to be reflexive [Russell]

14432

'Asymmetry' is incompatible with its converse; a is husband of b, so b can't be husband of a [Russell]