Combining Philosophers

Ideas for Eubulides, Bertrand Russell and Peter (Pyotr) Kropotkin

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11 ideas

8. Modes of Existence / A. Relations / 1. Nature of Relations
Philosophers of logic and maths insisted that a vocabulary of relations was essential [Russell, by Heil]
The only thing we can say about relations is that they relate [Russell]
Relational propositions seem to be 'about' their terms, rather than about the relation [Russell]
There is no complexity without relations, so no propositions, and no truth [Russell]
Because we depend on correspondence, we know relations better than we know the items that relate [Russell]
That Edinburgh is north of London is a non-mental fact, so relations are independent universals [Russell]
With asymmetrical relations (before/after) the reduction to properties is impossible [Russell]
8. Modes of Existence / A. Relations / 4. Formal Relations / a. Types of relation
If a relation is symmetrical and transitive, it has to be reflexive [Russell]
'Reflexiveness' holds between a term and itself, and cannot be inferred from symmetry and transitiveness [Russell]
'Asymmetry' is incompatible with its converse; a is husband of b, so b can't be husband of a [Russell]
8. Modes of Existence / A. Relations / 4. Formal Relations / b. Equivalence relation
Symmetrical and transitive relations are formally like equality [Russell]