Identities Involving Operations in Sets Let Ø be the empty set, U be the universal set, A,B,C,X be any set. 1. XnØ=Ø 2. XnU= X 3. XUØ=X 4. XUU=U 5. (x°)° = X, the complement of the complement of a set is the set itself 6. (AUB)UC=AU(BUC) Associative property 7. AN(BNC)=(ANB)NC Associative property 8. AN(BUC)=(ANB)U(ANC) distributive property 9. AU(BNC)=(AUB)N(AUC) distributive property 10. (ANB)° = A° U B° De Morgan's Law %3D 11. (AUB)° = A°NB° De Morgan's Law 12. A-B = A N B° 13. AAB = (A-B) U (B-A) Exercises Draw a Venn diagram for each of the side (the right hand side and the left hand side of the equation) of the identities mentioned in the list of identities involving set operations. i. Let U= {1,2,3, . 20}, A={1,2, 3,4,5,6,7,8} , B= {2,3,4, 6,7,8,13,14,15}, C={2,4,6, ., 18,20}, and X= {10, 11, 12, ., 20}. Illustrate the identities involving operations in sets by solving the LHS and the RHS of the equations. ii.
Identities Involving Operations in Sets Let Ø be the empty set, U be the universal set, A,B,C,X be any set. 1. XnØ=Ø 2. XnU= X 3. XUØ=X 4. XUU=U 5. (x°)° = X, the complement of the complement of a set is the set itself 6. (AUB)UC=AU(BUC) Associative property 7. AN(BNC)=(ANB)NC Associative property 8. AN(BUC)=(ANB)U(ANC) distributive property 9. AU(BNC)=(AUB)N(AUC) distributive property 10. (ANB)° = A° U B° De Morgan's Law %3D 11. (AUB)° = A°NB° De Morgan's Law 12. A-B = A N B° 13. AAB = (A-B) U (B-A) Exercises Draw a Venn diagram for each of the side (the right hand side and the left hand side of the equation) of the identities mentioned in the list of identities involving set operations. i. Let U= {1,2,3, . 20}, A={1,2, 3,4,5,6,7,8} , B= {2,3,4, 6,7,8,13,14,15}, C={2,4,6, ., 18,20}, and X= {10, 11, 12, ., 20}. Illustrate the identities involving operations in sets by solving the LHS and the RHS of the equations. ii.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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