"Strong typing vs. strong testing"

[Gregory Ewing]

Pascal J. Bourguignon wrote:

> So the interesting thing is that some pseudo-units don't have
> dimensions.  They only have the scale.

I don't think the term "pseudo-unit" is particularly necessary.
They're just units in which the powers of all the possible
dimensions are zero. Calling them pseudo-units is like calling
zero a pseudo-number.

-- 
Greg