Ralf Hemmecke <[email protected]> writes:

| >>> For TaylorSeries some results are exact, and it is easier to control
| >>>   approximation error.
>
| >> It's still not a Ring.
>
| > Hm, but when removing "=", it is a ring, no?
>
| Good. Then tell me what a "ring" is. You can restrict to
| "multiplicative monoid" if you like.

'monoid' (or even semigroup) uses equality in fundamental way.

-- Gaby

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