English Dictionary

coatom

noun

(mathematics) In a partially ordered set, a non-unit element that has no element above it other than the unit (assuming that the poset has a top element, its "unit").

The coatom of the partially ordered set is the largest element.

意味（1）

(mathematics) In a partially ordered set, a non-unit element that has no element above it other than the unit (assuming that the poset has a top element, its "unit").

In a Boolean lattice, the complement of an atom is a coatom.