3.3b Union of Sets

3.3b Union of Sets   1. The union of set A and set B, denoted by A υ B is the set consisting of all elements in set A or set B or both the sets. The Venn diagram of A υ B is illustrated as below:   2. The union of set A, set B and set C, denoted by A υ B υ C is the … Read more

3.2b Universal Sets

3.2b Universal Set 1. Universal set is a set that contains all the elements under consideration. 2. In set notation, the symbol ξ denotes a universal set. Example: Given that the universal set, ξ = {whole numbers less than 9}, A = {prime number} and B = {multiple of 4}. (a) List all the elements of set A and … Read more