Which of the following relations is the a partial ordering on the set A = {3,7,9}? O {(3,3),(7,7),(3,9),(9,7), (9,9)} O {(3,3),(7,7),(7,9),(9,9), (9,7)} O 3,3,7,7,9,9,3,7,7,9,3,9 None of the others O {(3,3),(3,7),(7,9),(7,7), (9,9)}

Q: Draw Hasse graph of partially ordered set (A,), where A=(1), (2) and (4) 2), (1, 4), (2, 4), (3, 4),…

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Q: Let S = {1,2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} be the universal set,…

A: The set B' is calculated using the formula, B'=S-B .

Q: Consider the partial order with domain{3,5,6,7,10,14,20,30,60}and with x ≤ y if x evenly divides y.…

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Q: Let A={3,6,9}, B={2,4,6,8}, C={ 1,2,3,4,5}and the universal set U={0,1,2,.,10}. Find each set (a)…

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Q: How many equivalence relations on the set {1, 2, 3}?

A: Given A=1,2,3 we know that a relation is said to be equivalence relation if it is reflexive,…

Q: The universal set is U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. If A = {1, 2, 3, 4, 5} and B = {4, 5, 6,…

A: It is given that the universal set is U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}.If A = {1, 2, 3, 4, 5} and…

Q: The universal set is U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. If A = {1, 4, 7} and B = {2, 6}, find the…

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Q: true or false and why ? The set [0,1] has the same cardinality as ℝ .

A: True. See the attachment

Q: (a) Ri (b) R2= {(1,2), (1,3),(1,4),(2,2),(3,3),(5,3),(5,4),(5,2)} /hich of them is an equivalence…

A: Any relation is equivalence relation if satisfy the following conditions where is set of elements a)…

Q: 2. Let X= [0, 10] be the universal set and A = [1,4], B = (2,8), C = [3, 6) be the subsets of X.…

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Q: Let U={1,2,3,4,5,6} be the universal set and A-{2,4,6}. Then the power set of the complement of U…

A: Given that  U={1,2,3,4,5,6} and A={2,4,6} To find The power set of the complement of U.

Q: Which of the following pairs of sets can be placed in a one-to-one correspondence? Why? (a) { a, b,…

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Q: U = {9, 7, 8, 12, 5, 17, 4, 19} A = {9, 4, 19} C = {7, 8, 12, 5, 17} %3D Find AUC' (17, 4, 19) {9,…

A: To Find: A ∪ C'

Q: (c) Consider the equivalence relation R on the set X = {1,2,3,4,5,6,7} given by R = {(1,1),(1,6),…

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Q: The relation ⊆ is a partial order on the set T = {{1, 3}, {1, 2, 3}, {1, 2, 3, 5 }, {1, 2, 3, 4, 5…

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Q: Let A={1,5,6,8,10} and R={(1,1), (5,5), (8,8), (10,10),

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Q: artial order relation but not a e, cTd, aTe and eTd. ersi diagram for each possible rela

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Q: Give an example of a set that contains nine elements of which two are sets. List three Subsets of…

A: Let the set which contains 9 elements be, A=1,2,3,4,5,6,7,8,9

Q: 2. Let A = {1,2, 3}, B = {4,5, 6}, R = {(1,4), (1, 5), (2,5), (3, 6), and || %3D S = {(4,5), (4, 6),…

A: Given set in the question are  A=1,2,3B=4,5,6R=(1,4),(1,5),(2,5),(3,6)S=(4,5),(4,6),(5,4),(6,6)Then…

Q: a) How many derangements ) How many derangements has the set S? of S have 9 in the 2nd position and…

A: Given, Set S:1,2,.....9 Derangement is a permutation of the elements of a set, such that no element…

Q: Let A = {1,2,3,4,5,6}, how many different relations are there on a set A?

A: First, we need to know definition  of the Cartesian Product of a set is with itself. The Cartesian…

Q: Identify the missing ordered pairs from the given list. The list of all ordered pairs in the given…

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Q: Let R and S be relations defined on the set of {8, 1, 2, 7}. R = {(1,8), (7, 8), (8, 1), (7, 7)}. S…

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Q: True or False a null set is an element of (-2,-1,1,4)

A: The given set is  (-2,-1,1,4)  Null set is not the element of every set. It is the subset of every…

Q: Given the following relation on set X= {1, 2, 3, 4, 5}: R= {(1,1), (1,2), (2,2), (2,3), (2,4),…

A: Consider the set X=1,2,3,4,5 R=1,1, (1,2), (2,3), (2,4), (3,1),(3,2),(3,3),(3,5),(4,4),(5,4),(5,5)

Q: Let U = {1,2,3,4,5,6,7,8,9,10,11,12,13,14} be the universal set. Let A = {2,3,4,5,6,7,8,9,10}. II.…

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Q: |Given the relation R= {(1,1), (2, 4), (3, 1), (4, 1), (5,2)} on the set A= {1,2,3,4,5), find the…

A: We know: Symmetric closure of a relation R, △, is obtained by adding (b, a) to R for each (a, b) ∈ R…

Q: Prove T={ …,-56,-42,-28,-14,0,14,28,42,…} is a countable set

A: We have to prove the following -   T={ …,-56,-42,-28,-14,0,14,28,42,…} is a countable set.

Q: Which of the following ordered pairs are not in the partial ordering with the accompanying Hasse…

A: Please see the below picture for detailed solution.

Q: Let R = {(1,1), (2,2), (3,3)} be a relation on a set A-{1.2.3}. then R? is equal to R is %3D O True…

A: Sets and relations are correlating with each other in the context of how they are interrelating to…

Q: Relations Given the sets over the domain {a, b, c, d}: A = { (a, a), (b, b), (d, d), (b, a) } B = {…

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Q: Determine whether the following statements are true or false: (a) The empty set ∅ is a subset of {1,…

A: Empty set is a subset of every set. A Power Set is a set of all the subsets of a set.

Q: 1. Consider the following relations on the set A = {1,2, 3, 4}. = {(1, 1), (1,3), (1, 4), (2, 2),…

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Q: Let the Universal set be U = (1, 2, . 20), A= (1,6.11,19) and B = (6, 11, 14, 7) f(A - B) (1) = (A5…

A: Since you have posted multiple questions. I am answering the three parts. Please post the question…

Q: What is the domain of the following: {(3,4), (9,1), (10, 5), (2, 15), (8, 4)}

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Q: (b) The domain is fa, b, e, d, e, f). The relation is the set: (b, e), (b, d). (c, a), (c. S). (a,…

A: Given: The relation of a set a, b, c, d, e, f is b, e, b, d, c, a, c, f, a, f, a, a, b, b, c, c, d,…

Q: 2. (p.214, #6) There are five different equivalence relations on the set A {a,b,c}. Describe them…

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Q: Suppose p and o are relations defined on S = {1, 2, 3, 4} by the sets p = {(2, 2), (3, 2), (3, 4),…

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Q: Answer the following True or False. (a) {1,2,3} is a subset of {3,2, 1, 4). (b) (3,2, 1,4) is a…

A: We have to find given statements are true or false.

Q: What is the domain of the following: {(3,4), (9, 1), (10, 5), (2, 15), (8, 4)} O {3, 4,9, 1, 10, 5,…

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