Single Idea 9549

[catalogued under 4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / a. Sets as existing]

Full Idea

The set theorist cannot tell us anything about the true relationship of membership.

Gist of Idea

The set theorist cannot tell us what 'membership' is

Source

Charles Chihara (A Structural Account of Mathematics [2004], 01.5)

Book Reference

Chihara,Charles: 'A Structural Account of Mathematics' [OUP 2004], p.24


A Reaction

If three unrelated objects suddenly became members of a set, it is hard to see how the world would have changed, except in the minds of those thinking about it.