Robert Dodier wrote:
> ..
> I'm mostly in agreement, except I think it would be better
> (for simplifying functions, anyway) to implement such mapping
> via a declaration and a general mechanism in the simplification code,
> instead of wedging (IF (MBAGP FOO) ...) into every function.
>
Yes, but if you place it in meval or mapply, it would work even in the
case of ratnumer etc.
RJF