👉 In the context of mathematics, a "leaver" is an element that represents a set or a group. A set is a collection of distinct objects, while a group is a set where every element in the set has an inverse (i.e., a number that, when multiplied by it, gives back to itself). A leaver is typically used to represent a group because it's essentially a special kind of "group" or "set" which doesn't have any elements but can be combined
