Re: A little courtesy, please

Miles Sabin wrote:

> Lots of perfectly respectable things
> manage to have different constituents at different times yet
> manage to be non-abstract ... bricks for example.

Well, okay, at the quantum level bricks *are* pretty darn abstract, then.

I guess "abstract" and "concrete" are relative terms: we talk about "concrete
types" in computing science, but outside that realm they are as abstract
as anything can be.

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