Re: [fricas-devel] leftRecip and rightRecip

2018-02-02 Thread Prof. Dr. Johannes Grabmeier privat
you are absolutely right, this argument was to quick and unprecise, I have to confess - after all, it was R. Wisbauer and myself who designed and implemented non-associative structures ages ago in 1991 and added recip to MagmaWithUnit (which was called MonadWithUnit at that time) So my remark

Re: [fricas-devel] leftRecip and rightRecip

2018-02-02 Thread Bill Page
On Fri, Feb 2, 2018 at 3:53 AM, Prof. Dr. Johannes Grabmeier privat wrote: > > All general functions as leftRecip and rightRecip are superfluous as > soon we have a recip, ... I don't think so. For example 'MagmaWithUnit' is inherited by a very large number of domains. It

Re: [fricas-devel] how to access https://groups.google.com/forum/#!newtopic/fricas-devel

2018-02-02 Thread Waldek Hebisch
Nasser M. Abbasi wrote: > On Wednesday, January 31, 2018 at 7:38:20 PM UTC-6, oldk1331 wrote: > > > Thanks. This did not work for me. I do not have a gmail account. I have > personal email > only. > > When I did what you said, I could not tell it to send email to my > personal email. There was

Re: [fricas-devel] leftRecip and rightRecip

2018-02-02 Thread oldk1331
> This make > it complicated for new users, because they get hundreds of functions and > might have no clue, what is important and what is not. I think this is an issue of lacking documentation. If only we can have extensive documentation for each Domain/Package (and in different formats: in

Re: [fricas-devel] how to access https://groups.google.com/forum/#!newtopic/fricas-devel from outside of google?

2018-02-02 Thread Dima Pasechnik
On Thursday, February 1, 2018 at 2:57:06 PM UTC, Nasser M. Abbasi wrote: > > > > On Wednesday, January 31, 2018 at 7:38:20 PM UTC-6, oldk1331 wrote: >> >> Hi, >> >> In the google groups page, there is "my settings" in upper >> right corner, select "membership and email settings", >> then

Re: [fricas-devel] leftRecip and rightRecip

2018-02-02 Thread Ralf Hemmecke
On 02/02/2018 09:53 AM, Prof. Dr. Johannes Grabmeier privat wrote: > All general functions as leftRecip and rightRecip are superfluous as > soon we have a recip, associator is superfluous as soon we have an > associative structure, also it should not disappear. My suggestion to > help the novices

Re: [fricas-devel] leftRecip and rightRecip

2018-02-02 Thread Prof. Dr. Johannes Grabmeier privat
Your discussion showa a problem which disturbs me since long: In AXIOM/FriCAS we are try to be as general as possible, having non-associative and non-commutation structure. Every commutative structure is a special case of the general non-(neccesarily) commuatative structure, every associative