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Single Idea 18208

[filed under theme 4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory ]

Full Idea

Classes, so far as we introduce them, are merely symbolic or linguistic conveniences, not genuine objects.

Gist of Idea

We regard classes as mere symbolic or linguistic conveniences

Source

B Russell/AN Whitehead (Principia Mathematica [1913], p.72), quoted by Penelope Maddy - Naturalism in Mathematics III.2

Book Ref

Maddy,Penelope: 'Naturalism in Mathematics' [OUP 2000], p.172