x∈A
In mathematics, the notation “x ∈ A” means that x is an element belonging to the set A
In mathematics, the notation “x ∈ A” means that x is an element belonging to the set A. In other words, x is a member of the set A.
To better understand this, let’s break it down further:
– Set: A set is a collection of distinct objects, which can be numbers, letters, or any other objects. For example, A could be a set of numbers, such as A = {1, 2, 3, 4, 5}. This set contains the numbers 1, 2, 3, 4, and 5.
– Element: An element is one of the individual objects that belong to a set. For example, in the set A mentioned above, the number 2 is an element of A, because it is one of the members of the set.
– ∈ Notation: The symbol “∈” is used to express membership. When we write “x ∈ A,” we are saying that x is an element of the set A. So, if x is one of the objects in the set A, we can say that x belongs to A or x is in A.
For example, if we have the set A = {1, 2, 3, 4, 5} and x = 3, then we can say that x belongs to A or x is in A, denoted as 3 ∈ A.
More Answers:
Understanding Universal Quantification (∀xP(x)) and Logical Inferences (∴P(c)) in Predicate LogicUnderstanding Set Notation | What Does x ∉ A Mean in Mathematics?
The Conditional Statement p → q and Reasoning for ∴ q