more from Stephen Read

### Single Idea 11020

#### [catalogued under 4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / c. Logical sets]

Full Idea

Hard-headed realism tends to embrace the full Comprehension Principle, that every well-defined concept determines a set.

Gist of Idea

Realisms like the full Comprehension Principle, that all good concepts determine sets

Source

Stephen Read (Thinking About Logic [1995], Ch.8)

Book Reference

Read,Stephen: 'Thinking About Logic' [OUP 1995], p.214

A Reaction

This sort of thing gets you into trouble with Russell's paradox (though that is presumably meant to be excluded somehow by 'well-defined'). There are lots of diluted Comprehension Principles.