We use to denote the universal set, which is all of the items which can appear in any set. This is usually represented by the outside rectangle on the venn diagram. A B represents the intersection of sets A and B. We use ‘ (the apostrophe) to denote the complement of a set. A’ is all the items which are not in set A.Click to see full answer. Similarly one may ask, what does AUB mean in Venn diagrams?Learn how to represent the union of sets using Venn diagram. The union of A and B is the set of all those elements which belong either to A or to B or both A and B. Now we will use the notation A U B (which is read as ‘A union B’) to denote the union of set A and set B. Thus, A U B = {x : x ∈ A or x ∈ B}.Additionally, what does a ∩ B mean? In mathematics, the intersection of two sets A and B, denoted by A ∩ B, is the set containing all elements of A that also belong to B (or equivalently, all elements of B that also belong to A), and nothing else. Besides, what does ∩ mean? Definition of Intersection of Sets: Intersection of two given sets is the largest set which contains all the elements that are common to both the sets. The symbol for denoting intersection of sets is ‘∩’.What is a Venn diagram and what is it used for?A Venn diagram is an illustration of the relationships between and among sets, groups of objects that share something in common. Usually, Venn diagrams are used to depict set intersections (denoted by an upside-down letter U).

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