[sage-combinat-devel] Re: [sage-devel] Re: Categories review: the last ones?

2009-11-01 Thread Nicolas M. Thiery
On Thu, Oct 29, 2009 at 09:57:09PM +0100, Florent hivert wrote: > [...] > > For this reason, I don't think CategoryWithBasis (or more > > generally CategoryWith[Free]Generators) is a natural > > category -- unless the generators are structures intended > > to be preserved, as is the case with a ca

[sage-combinat-devel] [sage-devel] Re: Categories review: the last ones?

2009-11-01 Thread Florent Hivert
Dear David, [...] > For this reason, I don't think CategoryWithBasis (or more > generally CategoryWith[Free]Generators) is a natural > category -- unless the generators are structures intended > to be preserved, as is the case with a category of pointed > sets. As Nicolas already explaine

[sage-combinat-devel] Re: [sage-devel] Re: Categories review: the last ones?

2009-11-01 Thread Nicolas M. Thiery
On Thu, Oct 29, 2009 at 07:45:14AM -0700, David Kohel wrote: > I don't have a strong opinion whether OrderedSets > (or Monoids) should have total or partial ordering. > However, since there is a possible ambiguity, my > preference is to not use OrderedX as an alias for > either PartiallyOrderedX o

[sage-combinat-devel] Re: Fwd: [sage-devel] Re: Categories restart

2009-11-01 Thread Nicolas M. Thiery
Dear William, dear David, Very few categories are left unreviewed. Please comment shortly on the points below, or set a positive review! Cheers, Nicolas > On Sat, Oct 24, 2009 at 12:04:45AM +0200, Nicolas ThiƩry wrote: > > On Fri, Oct 23, 2009 at