SET, A collection of well-defined, distinct objects., UNION SET, A set that contains all the elements of multiple sets., INTERSECTION SET, A set that contains common elements of multiple sets., LİSTİNG METHOD, SET-BUILDER METHOD, VENN DIAGRAM METHOD, EMPTY SET, A set with no elements—that is, a set with a cardinality of zero., A ∪ B, union of sets A and B, ∈, the symbol for being an element of a set, Common element, objects found in both sets, ⋂, symbol for intersection, ⋃, symbol for union, no repetition, In a set each element is written once, A\B, B\A, A∩B, intersection of sets A and B

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