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minimalElements -- determines the minimal elements of a poset

Synopsis

Usage:

M = minimalElements P
Inputs:
- P, an instance of the type Poset,
Outputs:
- M, a list,

Description

An element of $P$ is a minimal element if it no other element of $P$ is less than it.

i1 : P = poset {{a,b}, {b,c}, {d,c}};

i2 : minimalElements P

o2 = {a, d}

o2 : List

See also

maximalElements -- determines the maximal elements of a poset

Ways to use minimalElements :

minimalElements(Poset)

For the programmer

The object minimalElements is a method function.