MATH Sets and Venn Diagrams revision 0.0 / 5 ? MathematicsSets and Venn DiagramsIGCSENone Created by: SofyCreated on: 16-04-16 12:06 How are sets written? letter and the brackets e.g. A={2,4,6,8,10} 1 of 7 What does A∩B mean? intersection- all the objects that belong to set A and set B 2 of 7 What does A∪B mean? union- objects that belong to set A or set B (both) 3 of 7 What does a∈A mean? element of (membership of set A) e.g. If set A={a,b,c,d,e,f,g}, then a∈A. 4 of 7 What does C^1 mean? Every object that isn't in set C- what is not in set C 5 of 7 What does A∩B^1 mean? Elements in A and are not in B 6 of 7 What does A∪B^1 mean? EVERY element in A plus the ones that aren't in B 7 of 7
Comments
Report