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Single Idea 13463

[filed under theme 6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / e. Ordinal numbers ]

Full Idea

Since we can map the transfinite ordinals one-one into the infinite cardinals, there are at least as many infinite cardinals as transfinite ordinals.

Gist of Idea

There are at least as many infinite cardinals as transfinite ordinals (because they will map)

Source

William D. Hart (The Evolution of Logic [2010], 1)

Book Ref

Hart,W.D.: 'The Evolution of Logic' [CUP 2010], p.27