🧪 Visualize Key Set Laws with Venn Diagrams

Sample Space S = {1,2,3,4,5,6,7,8,9}

E₁ = {2, 4, 6, 9}    E₂ = {1, 2, 3, 6, 8}    E₃ = {3, 4, 5, 7, 8}