Full Idea
We have a class of representatives, who make up our Parliament, one being selected out of each constituency.
Gist of Idea
The British parliament has one representative selected from each constituency
Source
Bertrand Russell (Introduction to Mathematical Philosophy [1919], XII)
Book Reference
Russell,Bertrand: 'Introduction to Mathematical Philosophy' [George Allen and Unwin 1975], p.119
A Reaction
You can rely on Russell for the clearest illustrations of these abstract ideas. He calls the Axiom of Choice the 'Multiplicative' Axiom.