[FOM] Another historical question

[william tait]

Yes, it was Cantor. It is in Foundations of a General Theory of Manifolds (1883)---in which in fact the notion of a transfinite ordinal (and of a well-ordered set) were introduced.

Bill

On May 8, 2013, at 6:53 AM, T.Forster at dpmms.cam.ac.uk wrote:

> Who was the first person to point out that each ordinal counts the set of its predecessors in the natural ordering of ordinals? Is it in Cantor?
> 
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