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Posets :: GroundSet

GroundSet -- underlying set of a poset

Synopsis

Description

Since any poset is in fact a HashTable this symbol denotes the data in the HashTable consisting of the elements of the set.
i1 : S = QQ[a,b,c,d];
i2 : M = monomialIdeal (b^2, b*c, c^2);

o2 : MonomialIdeal of S
i3 : L = lcmLattice (M);
i4 : L.GroundSet

          2          2   2   2    2 2
o4 = {1, c , b*c, b*c , b , b c, b c }

o4 : List

See also

For the programmer

The object GroundSet is a symbol.