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Single Idea 10859

[from 'Infinity: Quest to Think the Unthinkable' by Brian Clegg, in 4. Formal Logic / F. Set Theory ST / 2. Mechanics of Set Theory / b. Terminology of ST ]

Full Idea

For a set to be 'well-ordered' it is required that every subset of the set has a first element.

Gist of Idea

A set is 'well-ordered' if every subset has a first element

Source

Brian Clegg (Infinity: Quest to Think the Unthinkable [2003], Ch.13)

Book Reference

Clegg,Brian: 'Infinity' [Robinson 2003], p.168