semi-group
preferred label: نیم‌گروه @fa
type: Concept
narrower: idempotent semi-group

idempotent semi-group
related: idempotent element
broader: semi-group
preferred label: نیم‌گروه خودتوان @fa
type: Concept

idempotent element
preferred label: عنصر خودتوان @fa
type: Concept
related: idempotent semi-group