Re: Relative Cardinality



mueck...@xxxxxxxxxxxxxxxxx wrote:
> Lefty wrote:
>
> > There is a very big difference between sets which exist only in your mind,
> > and collections of physical things which are floating around in the
> > universe. I'd like to know which you are talking about - real objects, or
> > abstract ones.
>
> Real sets can never be infinite. That is undisputed.

Consider it disputed, until you define "real sets".

I consider the set of natural numbers to be real and
infinite. I consider the set of numbers in [0,1] to
be real and infinite. I consider the set of possible
velocity vectors of a 1954 Buick Sedan to be real and
infinite.

- Randy

.

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