#19190: LatticePoset: add atoms, coatoms, doubly irreducibles etc.
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Reporter: jmantysalo | Owner:
Type: enhancement | Status: closed
Priority: minor | Milestone: sage-7.2
Component: combinatorics | Resolution: fixed
Keywords: latticeposet | Merged in:
Authors: Jori Mäntysalo | Reviewers: Travis
Report Upstream: N/A | Scrimshaw
Branch: | Work issues:
aa58591d18e75fd32ae3465a710c1d270e4d9e1f | Commit:
Dependencies: | Stopgaps:
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Comment (by jmantysalo):
Replying to [comment:11 tscrim]:
> "the" implies uniqueness, but there is not a unique poset. "this" within
the context gives uniqueness. In fact, I would change all of those "the"
to "this".
Trying to understand... There is no direct translation for a/an/the in
Finnish.
I have learnt that if I say "Travis, open the window", it means that I
have one specific window in my mind and I suppose that you also know what
window I mean. "Open a window" means that there are several to choose one,
and I don't care which one you open.
In "Return the number of elements in the poset." I suppose that it is
clear what poset we are referring to.
--
Ticket URL: <http://trac.sagemath.org/ticket/19190#comment:12>
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