Size is one-in-a-million

It comes as no surprise to see that the size of a structure such as you and me is one of the numerous properties that structures have.  But when I looked at a structure I was fiddling around I saw only one property: the size [of sets].  Nothing wrong with having just one–nice if it got something to say about property.

A map f: A -> B is a B-valued property.

Thank God!  Sets are not as impoverished as I began to worry.

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