Single Idea 15919

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

Full Idea

The Peano-Russell notion of class is the 'logical' notion, where each collection is associated with some kind of definition or rule that characterises the members of the collection.

Gist of Idea

The 'logical' notion of class has some kind of definition or rule to characterise the class

Source

Shaughan Lavine (Understanding the Infinite [1994], IV.1)

Book Reference

Lavine,Shaughan: 'Understanding the Infinite' [Harvard 1994], p.63