What are Raina and Jadeja?

Universal Set Symbol, Definition & Examples

Sets & Set Theory

Given the universal set = {x : x ∈ N and x < 20}, find: B = {y : y = 2n 3, n ∈ N} - Mathematics | Shaalaa.com

Use an element argument to prove the following statement. Assume that all sets are subsets of the universal set U. For all sets A, B, and C, (A - B) ∪ C = (A ∪ C) - B.

Empty Set Or Null Set And Equal Sets (video lessons, examples and solutions)