# minimalElements -- determines the minimal elements of a poset

## Synopsis

• Usage:
M = minimalElements P
• Inputs:
• P, an instance of the type Poset,
• Outputs:

## 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