3.3b Union of Sets (Part 1)
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 set consisting of all elements in set A, set B or set C or all the three sets.
The Venn diagram of A υ B υ C is illustrated as below:
