Exam 7: Logic, Sets, and Counting

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Construct a truth table for the proposition: -p \rightarrow ~q

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Use the addition principle for counting to solve the problem: -If n(A) = 20, n(A \cup B) = 58, and n(A \cap B) = 16, find n(B).

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B

Use the addition principle for counting to solve the problem: -If n(A) = 5, n(B) = 11 and n(A \cap B) = 3, what is n(A \cup B)?

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Tell whether the statement is true or false: -7 \notin 0 {14, 21, 28, 35, 42}

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Use the addition principle for counting to solve the problem: -If n(A) = 40, n(B) = 117 and n(A \cup B) = 137, what is n(A \cap B)?

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Use a Venn Diagram and the given information to determine the number of elements in the indicated region: -Use a Venn Diagram and the given information to determine the number of elements in the indicated region: -

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Construct a truth table for the proposition: -~p Λ \Lambda ~q

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Use a Venn Diagram and the given information to determine the number of elements in the indicated region: -Use a Venn Diagram and the given information to determine the number of elements in the indicated region: -

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Construct a truth table to decide if the two statements are equivalent: -Construct a truth table to decide if the two statements are equivalent: -

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Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own no dogs?

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Let A = {6, 4, 1, {3, 0, 8}, {9}}. Determine whether the statement is true or false -{3, 0, 8} \in A

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Construct a truth table to decide if the two statements are equivalent: -~p Λ \Lambda ~q; ~(p  Construct a truth table to decide if the two statements are equivalent: -~p   \Lambda   ~q; ~(p  q) q)

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Let A = {1, 3, 5, 7}; B = {5, 6, 7, 8}; C = {5, 8}; andU= {1,2,3,4,5,6,7,8} Determine whether the given statement is true or false. -C \subseteq D

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Evaluate: -Evaluate: -

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Determine whether the given set is finite or infinite. Consider the set N of positive integers to be the universal set, and let A = {n ∈ N| n > 50} B = {n ∈ N| n < 250} O = {n ∈ N| n is odd} E = {n ∈ N| n is even} -A'

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Evaluate: -Evaluate: -

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Let A = {1, 3, 5, 7}; B = {5, 6, 7, 8}; C = {5, 8}; andU= {1,2,3,4,5,6,7,8} Determine whether the given statement is true or false. -U \subseteq A

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Construct a truth table for the proposition and determine whether it is a contingency, a tautology, or a contradiction: ~p ∨ q.

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Evaluate: -4!

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Use the Venn diagram below to find the number of elements in the region.  Use the Venn diagram below to find the number of elements in the region.    -n(A  \cap  C) -n(A \cap C)

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