loop
In mathematics, a loop refers to a particular type of algebraic structure
In mathematics, a loop refers to a particular type of algebraic structure. Specifically, it is a set equipped with a binary operation that satisfies a set of specific axioms.
Formally, a loop is a set L together with a binary operation (denoted by *) defined on L such that the following conditions hold:
1. Closure: For any two elements a and b in L, their product a * b is also in L. In other words, the operation * combines elements from L to give another element in L.
2. Associativity: For any three elements a, b, and c in L, the operation * satisfies the associative property, meaning that (a * b) * c = a * (b * c).
3. Existence of an Identity Element: There exists an element e in L such that for any element a in L, the operation e * a = a * e = a. This element e is called the identity element or neutral element.
4. Existence of Inverses: For every element a in L, there exists an element a’ in L such that a * a’ = a’ * a = e, where e is the identity element. The element a’ is called the inverse of a.
It is important to note that a loop is more general than a group because it does not necessarily require the existence of inverses for all elements. While a group is a loop satisfying additional properties, such as the existence of inverses for every element.
Loops can be found in various mathematical contexts, including abstract algebra and mathematical logic. They offer a framework to study and understand different algebraic systems and their properties.
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