Re: a few questions

David Peterson wrote:
>
>Trebor wrote:
>
> > Are there terms similar to 'dual' and 'trial' for numbers
> > four-ten? If so, what are they?
>
>Tetral, quinqual, sextal, septal, octal, etc.  (Can some of
> the Latin learners verify these?)
Isn't "tetral" Greek? I would expect "quadral" if we're keeping
a Latin base.

--Ph. D.

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