Combining Texts

Ideas for 'Frege philosophy of mathematics', 'The Principles of Mathematics' and 'Paradoxes: Form and Predication'

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

14113

The null class is a fiction [Russell]

4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / d. Naïve logical sets

15894

Russell invented the naïve set theory usually attributed to Cantor [Russell, by Lavine]

4. Formal Logic / F. Set Theory ST / 6. Ordering in Sets

14126

Order rests on 'between' and 'separation' [Russell]

14127

Order depends on transitive asymmetrical relations [Russell]

4. Formal Logic / G. Formal Mereology / 1. Mereology

14121

The part-whole relation is ultimate and indefinable [Russell]