| 1 | initial version |
Like this
sage: V = [vector(v,immutable=True) for v in U]
sage: Poset([V,lambda x,y:bool(x-y in V)])
Finite poset containing 12 elements
| 2 | No.2 Revision |
Like this
sage: V = [vector(v,immutable=True) for v in U]
sage: Poset([V,lambda x,y:bool(x-y v,w:bool(w-v in V)])
Finite poset containing 12 elements
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