Use Venn diagrams to prove or disprove the following c) AU B (An B) u (A...
1. Let A, B and C be events in the sample space S. Use Venn Diagrams to shade the areas representing the following events (32 points) a. AU (ANB) b. (ANB) U ( AB) C. AU ( ANB) d. (AUB) N (AUC)
2.1. Use Venn diagrams to verify that (a) (A UB)UC is the same event as AU(BUC) (b) An(BUC) is the same event as (AnB)U(AnC); (c) A U (Br C) is the same event as (A U B) (A U C)
5. If possible, draw Venn Diagrams illustrating the following conditions: (a) (A B) = (Cr) B), and A C. (b) (A u B) (C u B), and A = C. 6.-7. Prove or disprove using Truth Tables that 8. Let X = { a, b, c }, Ys { 2, 3 }. List the elements of (a) Y x X (b) Yx Xx Y 9-12. Given the following formula, shade in the area of the Venn diagram that it represents....
6. Let A, B, and C be subsets of some universal set U. Prove or disprove each of the following: * (a) (A n B)-C = (A-C) n (B-C) (b) (AUB)-(A nB)=(A-B) U (B-A) 6. Let A, B, and C be subsets of some universal set U. Prove or disprove each of the following: * (a) (A n B)-C = (A-C) n (B-C) (b) (AUB)-(A nB)=(A-B) U (B-A)
Prove or disprove: for all sets A, B, C and D, (Ax B) U (Cx D) (AUC) x (BUD).
4. On the following Venn diagrams, use shaded area to represent (a) (An B')UC (b) (A -B)nc. (c) (BUC)n(A'UB). B S
5. Prove De Morgan's law: (An B)'« A' U B: (Don't use Venn diagram.)
Prove or disprove the following. (a) R is a field. (b) There is an additive identity for vectors in R^n. (If true, what is it?)........ 1. Prove or disprove the following. (a) R is a field (b) There is an it?) additive identity for vectors in R". (If true, what is (c) There is a is it? multiplicative identity for vectors in R". (If true, what (d) For , , (e) For a, bE R and E R", a(b) =...
3. (12') Using Venn diagrams, verify the following identities. (a) A-(AnB)U(A-B) ( b) If A and B are finite sets, we have (AUB)- A+B-(AnB )
Use membership tables (i.e., no set identities or Venn diagrams) to demonstrate that 4. Use membership tables (i.e., no set identities or Venn diagrams) to demonstrate that ((Y U Z) n (X UZ)) – (Y nz) and (2 U(Y nx)) ((CY NZ) ux)u((YnZ)n x)) are equivalent expressions. (5 marks)