1. Determine whether the relation R on the set of all people is reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) E R if and only if a) a is taller than b b) a and b have a common grandparent.

Q: 1. Determine whether each of the following relations on the set {1, 2, 3, 4} is reflexive,…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Given a relation R on a set A, prove that if R is transitive, then so is R-1.

A: Suppose A be any set and R is relation defined on A. Then R is transitive if whenever (a,b)∈R and…

Q: Consider  the relation R={(a, b),(a, c),(c, b),(b, c)} on  the set A={a, b, c}. Is R reflexive? Is R…

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Q: In Q1-Q4 prove why each relation has or does not have the properties: reflexive, symmetric,…

A: Since you have asked  multiple questions so as per guidelines we will solve  the first question for…

Q: 6. Consider the relation R = {(a, b), (a,c), (c, b), (b,c)} on the set A = {a, b,c}. Which of the…

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Q: 14. Assume that R is a well-founded relation, x is a regular infinite cardinal, and card{x | xRy} <x…

A: Given That :  R is a well-founded relation, k is a regular infinite  cardinal, card{ x|xRy}&lt;k…

Q: Prove that for any set relation R (we did not pick it to be "on" any particular set) R* =N{Q:RC Q^ Q…

A: Given that any set relation R.

Q: 6. Show that the span of this set is all of R?. {}}

A: Let S=v1,v2,...,vn be a set of vectors in a vector space V(F) . The vector space V is spanned by S,…

Q: 1. Consider the set Z in which the relation R is defined by aRb if and only if a + 3b is divisible…

A: According to question given that Set Z in which the relation R is defined by aRbIf and only if a+3b…

Q: Prove the understated statements concerning the relation &lt; on the set Z of all integers . If    x…

A: x = y  and     O &lt; z

Q: 4. Suppose R is a relation on a set A. The complementary relation R is defined by letting a R b if a…

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Q: In the set A = {1,2, 3, 4} is defined a relation R by ? = {(1,1), (1,3), (3, 4), (4, 3)}. ndicate…

A: Given A = {1, 2, 3, 4} R = {(1, 1), (1, 3), (3, 4), (4, 3)}

Q: Let R be a transitive relation on set A. Define Q to be {(r Prove or disprove that (RUR®)n (QU Qº)…

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Q: We defined the relation between sets by A ~ B means that there there is a 1-1 correspondence ƒ : A →…

A: We define the relation ~ between sets by A~B means that there is a one-one correspondence f:A→B Show…

Q: 1) Determine whether the relation R on the set of all Web pages reflexive, symmetric, antisymmetric,…

A: We are entitled to solve only the first 3 subparts of the first question so, I am providing you the…

Q: Consider the relation R on the set {a,b,c,d,e,f} which is defined as follows: R={(a,a), (a,b),…

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Q: Show that the relation R defined in the set A of all polygons as R = {(P1, P2) :P1 and P2 have same…

A: Given, relation R defined in the set A of all polygons as R = {(P1, P2) : P1 and P2 have same number…

Q: If A C BỊ U B2 where B1 and B2 are disjoint open sets and A is compact, show that An B1 is compact.…

A: To Show- If A ⊆ B1 ∪ B2 where B1 and B2 are disjoint open sets and A is compact, show that A ∩ B1 is…

Q: let A be the relation on the set integers defined by s A t if and only if |a| <= |t|  is the…

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Q: 1. Prove that “divides" is a transitive relation. That is, prove that, for all integers a, b, c, if…

A: I the given question we have to prove that , for all integers a,b,c, if a|b and b|c, then a|c.

Q: 1. Determine whether or not the relation R on the set of all people is reflexive, symmetric,…

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Q: Let R = { (1,1), (3,1), (2,1),(2,2), (1,3) } be a relation on the set A = {1,2,3}. Construct a…

A: The set A×A={(1,1), (1,2), (1,3), (2,1), (2,2), (2,3), (3,1), (3,2), (3,3)} R={(1,1), (3,1), (2,1),…

Q: Without using the ?∞i=1 Ri representation of R+, Prove that for any set relation R (we did not pick…

A: Given: Let us consider the given, R+=∩Q:R⊆Q∧Q is transitive and prove that for any set relation R.

Q: Prove the understated statements concerning the relation &lt; on the set Z of all integers . If x…

A:

Q: Let R be the relation on set {a,b,c,d} containing ordered pairs (a,c),(b,b),(b,a)(c,a)(c,d) and…

A: Here given that the set is A = {a, b, c, d} and the relation on A is given by R = {(a, c), (b, b),…

Q: Let R be the relation over the set of all people where aRb iff a is the same age as b. Determine and…

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Q: Suppose A is a set and R is a reflexive and transitive relation on A. Show that the

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Q: Determine whether or not the relation R on the set of all people is reflexive, symmetric,…

A: We will find whether the relation is reflexive, symmetric or transitive as following.

Q: Consider the relation R = {(a, b), (a, c), (c, b), (b, c)} on the set A = {a, b, c}. Is R reflexive,…

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Q: A relation \(R\) on a set \(AV) is called anti-symmetric if O (a.b) \in R\) implies ( (b,a) \in R\)…

A: Anti symmetric relation is as follows: If (a, b) and (b,a) lies in R then must be a=b.

Q: Let S be the set of integers. If a, b E S, define aRb if ab &gt;= 0. Is R anequivalence relation on…

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Q: Let A={1, 2, 5, 10}. Define the relation R on the base set A by: xRy if x/y is a whole number. Then…

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Q: Subject: Set Theory

A: • Transitive relation means that, whenever an element a is related to an element b and b is related…

Q: Let A={(m,n)∣m,n∈N and gcd(m,n)=1} and define the relation ⪯ on A according to (a,b)⪯(c,d)⇔ad≤bc…

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Q: 1. Determine whether the relation R on set Z (set of integer number) is reflexive, irreflexive,…

A: We determine whether the relation R on the set Z is reflexive, irreflexive, symmetric, antisymmetric…

Q: Let R be the relation on set {a,b,c,d} containing ordered pairs (a,c),(b,b),(b,a)(c,a)(c,d) and…

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Q: Use a particular counterexample to explain why R fails to be an equivalence relation is the…

A: We take counter example   9R10,10R11⇒9R  11

Q: 1 Let X be a nonempty set and let S be the collection of all subsets of X. Let R be a relation in S,…

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Q: Let A be a set and R be a reflexive relation on A. Prove that R is an equivalence relation if and…

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Q: Consider the set Q = Z ×(Z 10), and the relation tupon QDefined as: (a, b) ↑ (c, d) e a·d=b·c a - d…

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Q: etermine whether the relation R on the set of all people is reflexive, symmetric, antisymmetric,…

A: Note: We will only answer up to three sub-parts as the exact one is not specified. Please resubmit…

Q: 4. Prove that the set Z is a closed set in R.

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Q: For (a, b),(c,d) EN×N define the relation (a, b) ~ (b,c) if and only if ab = cd. Is this relation…

A: Explanation of the answer is as follows

Q: Determine whether or not the relation R on the set of all people is reflexive,  symmetric,…

A:

Q: Prove the understated statements concerning the relation &lt; on the set Z of all integers . If x…

A: To prove: If x&lt;y and y&lt;z then x&lt;z. Proof: The first inequality x&lt;y suggest that the…

Q: Let A={(m,n)∣m,n∈N2 and gcd(m,n)=1}, and define the relation ⪯ on A according to (a,b)⪯(c,d)⇔ad≤bc.…

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Q: A relationR is called a partially ordered set if R is: .a reflexive .b antisymmetric .C transitive…

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Q: In the set A = {1, 2, 3, 4} is defined a relation R by %3D R = {(1, 1), (1, 3), (3, 4), (4, 3)}.…

A: Given set is A = {1, 2, 3, 4}  with relation R = {(1, 1), (1, 3), (3, 4), (4, 3)}

Q: Prove the understated statements concerning the relation &lt; on the set Z of all integers .   If O…

A: Prove the understated statements concerning the relation &lt; on the set Z of all integers .   If O…