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Discrete mathematics 1. Let the universe be the set U = {0,1,2,3,4,5,6,7,8,9,10}. Let A = {0,1,4,7,10}, B = {0,1,2,3,4,5}, and C = {2,4,5,6,8}. List the
Discrete mathematics
1. Let the universe be the set U = {0,1,2,3,4,5,6,7,8,9,10}. Let A = {0,1,4,7,10}, B = {0,1,2,3,4,5}, and C = {2,4,5,6,8}. List the elements of each set. (2 points each)
(a) B C
(b) A B
(c) A
(d) A B
(e)
2. What is the cardinality of {{a}, {a, b}, {a, c}, a, b, c}? (1 point)
3. Determine whether each pair of sets is equal. (1 point each)
(a) {x|x R and 0 < x 3}, {1, 2, 3}
(b) {2,1,1}, {1,2,2}
4. Let X = {1,2,3} and Y = {a,b,c,d}. List the elements in the set Y X. (2 points)
5. Answer true of false. (1 point each)
(a) {x} {x}
(b) {x} {x}
(c) {x} {x, {x}}
(d) {x} {x, {x}}
(e) {2} P({1,2})
(f) {2} P({1, 2})
6. List the members of P({a, b, c, d}). Which are proper subsets of {a, b, c, d}? (5 points)
7. Write the truth table of the proposition (p q) (q r). (5 points)
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