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Macaulay2 web site
Posets
::
maximalElements
maximalElements -- determines the maximal elements of a poset
Synopsis
Usage:
M = maximalElements P
Inputs:
P
,
an object of class
Poset
Outputs:
M
,
a
list
Description
An element of
P
is a maximal element if it no other element of
P
is greater than it.
i1 : P = poset {{a,b}, {a,c}, {c,d}};
i2 : maximalElements P o2 = {b, d} o2 : List
See also
minimalElements
-- determines the minimal elements of a poset
Ways to use
maximalElements
:
maximalElements(Poset)