Re: [sage-combinat-devel] "Incomplete" posets

2011-03-03 Thread Nicolas M. Thiery
Hi Andrey, On Sun, Feb 13, 2011 at 01:30:03PM -0800, Andrey Novoseltsev wrote: > While writing an enhancement proposal on > http://trac.sagemath.org/sage_trac/ticket/10777 > I thought that it could be convenient to create a (finite) poset > without specifying its elements but perhaps addin

[sage-combinat-devel] "Incomplete" posets

2011-02-13 Thread Andrey Novoseltsev
Hello, While writing an enhancement proposal on http://trac.sagemath.org/sage_trac/ticket/10777 I thought that it could be convenient to create a (finite) poset without specifying its elements but perhaps adding them one-by-one as/ if they are created later. It seems to me that it is not possible