Assume database: work on a function learn-numer

Am Montag, den 05.10.2009, 10:38 +0200 schrieb Stefano Ferri:
> > Any suggestions or comments?
> 
> First of all, thank you for your work :-)
> 
> I was wondering if your new code makes trigonometric functions aware
> of the facts in the database. For example, if an angle is assumed to
> be between -%pi/4 and %pi/4, "is" knows that cos is >0?

Hello Stefano,

thank you for your comment.

Yes, I think this code can be the basis for further code to learn Maxima
more knowledge about the trigonometric functions.

I have already started to try more of this stuff.

Dieter Kaiser