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 | 1 | initial version |  |
This is because all these posets are "facade". Try something like that :
sage: P=Posets(4)
sage: Q=next(iter(P))
sage: Q._is_facade
True
sage: Permutation(x+1 for x in Q.linear_extension())
[4, 3, 2, 1]| | 2 | No.2 Revision |
This is because all these posets are "facade". Try something like that :
sage: P=Posets(4)
P = Posets(4)
sage: Q=next(iter(P))
Q = next(iter(P))
sage: Q._is_facade
True
sage: Permutation(x+1 for x in Q.linear_extension())
[4, 3, 2, 1]