more from James Robert Brown

### Single Idea 9644

#### [catalogued under 6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / b. Mathematics is not set theory]

Full Idea

The basic definition of a graph can be given in set-theoretic terms,...but then what could an unlabelled graph be?

Gist of Idea

When graphs are defined set-theoretically, that won't cover unlabelled graphs

Source

James Robert Brown (Philosophy of Mathematics [1999], Ch. 7)

Book Reference

Brown,James Robert: 'Philosophy of Mathematics' [Routledge 2002], p.105

A Reaction

An unlabelled graph will at least need a verbal description for it to have any significance at all. My daily mood-swings look like this....