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Venn diagrams for SetsCovid19 has led the world to go through a phenomenal transition . Elearning is the future today. Stay Home , Stay Safe and keep learning!!! Venn diagrams for sets is useful in understanding various relations between sets. A universal set is expressed by the interior part of a rectangle. Other sets ( like subsets of the universal set) are expressed by circular regions contained in the rectangle.Venn diagrams for sets 1) Subset Example : Set A = { 2,4 } is a subset of universal set &xi = { 1, 2, 3, 4 }. • First draw a rectangle. It is a universal set denoted as ξ . • As set A is a subset of ξ, so draw a circle inside it. • Write all the element of set A inside the circle. • Write the elements of ξ which are other than set A in the rectangle. 2) Disjoint sets Example : ξ = { 1, 2, 3, 4, 5, 6, 7} , Set A = { 2, 4, 6, } and set B = {1, 3, 5} . • First draw a rectangle. It is a universal set denoted as ξ . • As there are two sets so, draw two circles inside the rectangle, A and B. • Inside A write its elements and inside B write its elements. • Write the elements of ξ which are other than set A and set B in the rectangle. 3) Overlapping sets Example : ξ = { a, b, c, d, e } , A ={ a, b } and B = { b, c ,d } • First draw a rectangle. It is a universal set denoted as ξ . • As there are two sets so, draw two circles inside the rectangle, A and B. • Inside A write its elements and inside B write its elements. • As the two sets contain some common elements so the two circles intersect each other. The common element write in that intersection region. • Write the elements of ξ which are other than set A and set B in the rectangle. Set Theory • Sets • Representation of Set • Cardinal Number • Types of Sets • Pairs of Sets • Subset • Complement of Set • Union of the Sets • Intersection of Sets • Operations on Sets • De Morgan's Law • Venn Diagrams • Venn diagrams for sets • Venndiagrams for different situations • Problems on Intersection of Two Sets • Problems on Intersection of Three Sets Covid19 has affected physical interactions between people. Don't let it affect your learning.
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