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CSE 2353 – September 22 nd 2003. Sets. Sets. Intersection Union Disjoint Complement Difference. Definition Member Equality |A| Subset Superset Proper subset Proper superset. Numerical Sets. Special Sets. Counting Theorems. Two Disjoint Sets Many sets no common elements
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Sets • Intersection • Union • Disjoint • Complement • Difference • Definition • Member • Equality • |A| • Subset • Superset • Proper subset • Proper superset
Counting Theorems • Two Disjoint Sets • Many sets no common elements • Two Finite Sets • Three Finite Sets
Set Counting 100 students 65 study math 45 study electronics 42 study accounting 20 math and electronics 25 math and accounting 15 electronics and accounting find: how many study all 3 subjects Math and Electronics but not accounting only electronics
Power Set The set of all sub-sets. Find P(A) where A = {a,b} and A = {a,b,c}