Thanks Eric. It works!
I figured out the FinitePoset part after reading the manual. But I know
test that it works for X = FinitePoset(...)
I didn't think of trying it with X = Poset(...).
On Monday, September 28, 2020 at 11:38:15 AM UTC-7 egourg...@gmail.com
wrote:
> Poset is a function, whic
Poset is a function, which constructs a finite poset, not the poset class,
as you can check:
sage: type(Poset)
You can also check it by having a look at the source code:
sage: Poset??
So when you write
Poset.upper_bounds = upper_bounds
you are attaching upper_bounds to the function, not to the c
