Let A, B be any sets with ACB. Then O None of these O IP(B×B)|s|P(A×B)| O IP(A×B)|s|P(B×B)| O IP(A×B)|=|P(B×B)|

Q: Prove for all sets of A, B, that P(A) U P(B) is a subset of P(AUB).

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Q: Let A and B be subsets of a universal set U and suppose n(U) = 300, n(A) = 150, n(B) = 120, and n(A…

A: Please see the below explanation.

Q: Let A and B be nonempty sets of real numbers. If sup A exists then: O a. sup (A U B) exists if…

A:

Q: Let A, B sets such that A ¢ B and B C C. Prove that A ¢ C.

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Q: Let A and B denote subsets of R". (a) Prove that ANBCANB. Give an example to show that equality does…

A: (a) We know that for any two sets A, B A∩B⊆A⇒A∩B¯⊆A¯                        (1) ( Since if X⊆Y then,…

Q: Suppore that A and B aru Awre set such that (AI= IB1 Show that %3D (P(A), P(B) denote the pouser…

A: We used the concept that if a set contains n elements then it power set contains 2n elements .

Q: 1. Define the following sets in extension: (i) {x:N|x< 4• 3 * x} (ii) {x,y:N|x < 6^ y< x•x-y} (iii)…

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Q: Let A be a bounded non-empty set. Then inf A < sup A. True False

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Q: Let A {a1, a2, ...} and B = {b1,b2, ...} be countably infinite sets. %3D Prove that A × B is a…

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Q: Let A and B be nonempty sets of real numbers. If sup A exists then: Choose the correct option: a.…

A: Sup(A) denote  least upper bound of set A

Q: Use an element argument to prove that for all sets A and B, (An B) U (AN BC) = A. %3D

A: I have proved that sets on both side are subsets of each other and ten concluded that they are equal

Q: (A'n B) = A' U B'.

A: Prove that : (A ∩ B)' = A' U B'

Q: Let B and C be the subsets of some universal set X then prove that (C N B')' = BU C'

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Q: Let (Un) be a sequence of open sets in R then a) U₁is open, b) nis open.

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Q: Prove that: m*(A) 2 0, for all sets A

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Q: Let X be a non empty set and p be a fixed point in X. Define T={X, AcX such that pgA}. Then {p} is:…

A: Solution: Given that the topology is T=X, A⊂X such that p∉A

Q: 2. Prove that if A, B,C are sets such that ANBNC = 0, then (A\B)n(C\B) = AnC. Prove that for onu got

A: Recall that, set A\B means a set of elements of A that does not belong to B.

Q: Prove formally that A\ B= A\(An B), for any sets A and B.

A:

Q: 4.2. Let S be the open set consisting of all points z such that |2| < 1 or |z – 2| < 1. Show that S…

A: Connected set: If any two points of a given set can be joined by a continuous polygon arc such that…

Q: Determine whether the set S = {1, x², 6 + x²} spans P2. S spans P2. O s does not span P2.

A: P2 is the vector set of all polynomials with real coefficients of degree 2 or less. So 1+x is an…

Q: Let A, B be non-empty bounded sets, and A Ç B (A is a proper subset of B). Then sup A < sup B. True…

A: Let A=(1,2] and B=[1,2]

Q: 4. Let A and B be sets. (a) If A and B are subsets of the same universal set U (so A × B is a subset…

A: The definition of complement is given at the end of proof

Q: Let A, B be any sets with ACB. Then O None of these O IP(BxB)|s|P(A×B)| O IP(A×B)=|P(B×B) O…

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Q: Let C and D are be the subsets of some universal set U. Then D-C = C'nD is

A: We have to identify the statements as true or false.

Q: Prove that if A1, A2, ..., A, are any n > 2 sets, then A NA2 N …… A„ = A¡ UA2 U.…UA..

A: We will  prove the given statement using mathematical induction method.

Q: Let A and B be nonempty sets of real numbers. If sup B exists then sup (A U B) exists if A is…

A: let A and B be nonempty subsets of reals.

Q: Let A, B be any sets with ACB. Then * O None of these O IP(A×B)|<|P(B×B)| O IP(A×B)|=|P(B×B)| O…

A: Power Set: If A is any set, the collection of all its subsets is another set is called the power set…

Q: Let A and B be nonempty sets of real numbers. If sup A exists then: O a. sup (A U B) exists if…

A: a)If sup A and sup B exists then          supA∪B=max{sup A,sup B} So supA∪B exists. First option is…

Q: Determine whether the following theorem is true or false: For all sets A, B and C, if A is a subset…

A: If X is a strict subset of Y, but X is not equal to Y which means there exists at least one element…

Q: Let T be a set such that if the integer x is in T, then 2(x+1) is also in T. Let integer 2 is in T,…

A: Given 2 is in T so 1st and 4th are possible answers.

Q: Let A and B be finite sets such that B = {b1, b2}. Prove that |A – B| < |A|.

A: We are given that A and B are two finite sets, where B= {b1, b2}.We have, |B| = 2, and let |A| =…

Q: 7. Let A be a bounded subset of R and let sup A = B. Which of the following is/are not an attribute…

A:

Q: If C {x: x2 + 11x + 30 0, x e N}, then C is a/an? %3D Infinite set Finite set None of these Empty…

A: We have to find the set C

Q: Let A and Bbe finite sets satisfying |A|= 9, B| = 6 and |An B = 2. Calculate the following: () |AUB…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: 4. Let A and B be any two non-empty sets. Prove that P(ANB) = P(A)NP(B).

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Q: Let A be an uncountable set and let B be the set of real numbers that divides A into two uncountable…

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Q: (4) Let A be a nonempty subset of a bounded set B. Why does inf A and sup A exist? Show that (a) inf…

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Q: (3.2) Indicate which of the following sets are compact in X. (a) C = {4,n € N}, X = R (b) C = Qn (0,…

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Q: [4] Let A andB be sets such that A C B. Prove that A OBC B, using an argument that starts with "Take…

A:

Q: Let Ω be a set and A = {A ⊂ Ω : A is finite or Ac is finite }

A: given that Ω is a set and also given A ⊂Ω if Ω contains n elements  then A contains (n-1) elements…

Q: Let A and B be subsets of a universal set U and suppose n(U) = 300, n(A) = 150, n(B) = 120, and n(A…

A: We have given the following n(U) = 300, n(A) = 150, n(B) = 120, and n(A ∩ B) = 60.

Q: supC = supA × supB.

A: This is a question from real analysis with usual topology.

Q: Let A be a nonempty subset of a bounded set B. Why does inf A and sup A exist? Show that (a) inf B ≤…

A:

Q: Let A and B be subsets of a universal set U and suppose n(U) = 400, n(A) = 200, n(B) = 160, and n(A…

A: A set is a collection of elements. The elements that make up a set can be any kind of mathematical…

Q: Let A be a nonempty subset of a bounded set B. Why does inf A and sup up A exist? Show that (a) inf…

A:

Q: Let A, B be any sets with BCA. Then |P(B×B)[s|P(A×B)| O IP(AxB)|s|P(B×B)| O IP(AxB)|=|P(B×B)| O None…

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Q: Let A and B be two sets such that n(A) = 3 and n(B) = 2. If (x, 1), (y, 2), (z, 1)are in A × B, find…

A: In AxB the first element will be from A and the second element will be from B So, x,y,z are in A And…

Q: Determine whether the set S = {1, x², 9 + x²} spans P2. %3D O S spans P2. O s does not

A: Introduction: Vectors' span, It is the collection of all linear combinations of a number of vectors.…

Q: 3. Let A and B be arbitrary sets. Use double inclusion to prove that (A U B) N (A U B') = А.

A: