Unions and intersections cannot be defined for more than two sets, so that $A \cup B \cup C \text { and } A \cap B \cap C$ are meaningless.

Question

Quizplus · Accepted Answer

Unions and intersections can be defined for any number of sets, not just two. The union $A \cup B \cup C$ includes all elements in any of the sets, while the intersection $A \cap B \cap C$ includes only elements common to all sets.

Unions and Intersections Cannot Be Defined for More Than Two A∪B∪C and A∩B∩CA \cup B \cup C \text { and } A \cap B \cap CA∪B∪C and A∩B∩C

Unions and Intersections Cannot Be Defined for More Than Two $A \cup B \cup C \text { and } A \cap B \cap C$