When dealing with set theory what does (A intersection B)' mean?

Q: Please help me understand set theory.

A: The set theory is a mathematical theory which includes well-determined collections of…

Q: show that 12ª> |A/ for each set A

A: The objective is to prove |2A|>|A| for each set A.

Q: Write each set using set-builder notation and inequalities. (a)     A = {1, 2, 3, 4, 5, 6,....}…

A: (a) Given set is A=1,2,3,4,5,6,.... The set-builder notation of set A is given by A=x:x∈N   (b)…

Q: Select the set that is equivalent to (Cn B) UA. (Cn B)UA (CUB) UA (CnB) nA (CUB) NA

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Q: Let S = (x: (x - 1)² = 0}, state where S is singleton set or not.

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Q: can two disjoint sets be close? Justify your answer using an example.

A: We know that any closed interval of the form [a,b] is an closed set. We use this fact further.

Q: Roster form: G = {3, 6, 9, 12, 15, 18, 21, …} What is  the Set Builder form?

A: There are 2 ways of representing a set.  Roster form Set Builder form In roster form , all the…

Q: C = {whole numbers} and D = %3D {rational numbers} A={multiples of two} and B = {multiples of three}…

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Q: What is the purpose of set? How can we use them in our daily lives? Ma'am/Sir please answer the…

A: The set is the collection of objects. we use sets everywhere in mathematics.  Sets are related with…

Q: The subject is on Elements of Set Theory:I really need help and explanation.

A: The symmetric difference of two sets are defined here as,

Q: Hi, can someone help me with Sets? List a pair of real-world examples of sets belonging in the same…

A: Sets

Q: List a pair of real-world examples of sets in the same category, but this time the intersection is…

A: Let U be the set  of all male players who played football for their country in World Cup football…

Q: Hello I am having trouble understanding Set Theory and Subsets.

A: Set theory is dealing with objects that are related to the mathematics and it is also a branch of…

Q: Hi, What is the "{}" when it comes to sets? Like for example what is the difference between {x} and…

A: The "{}" means "the collection of" or "a set". There is a big difference in  between {x} and {{x}}.…

Q: Describe the intersection and union of sets. How do they differ?

A: Definition : (1) Intersection of the sets : The intersection contains the elements that the two sets…

Q: Q3: What are the ways tha

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Q: How do i approach the following question?  Let A and B be sets. Prove that A ∪ B = A ∩ B if and…

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Q: What are the basics of a set?

A: Set:A set is a collection of well-defined distinct objects. Here the objects are known as the…

Q: Instruction: Express in quantified statements in English sentence or notation and determine the…

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Q: In a machine company, at least 45% of the machines produced per month do not pass the finish test…

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Q: (a) Prove that ANBCANB.Give an example to show that equality does not always hold.

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Q: An algebraic number is any real root of an equation ao + a₁x + +anx"=0, where the coefficients a;…

A: We use properties of Countable union of countable sets and set of polynomials.

Q: Prove (((LOM)-N) U(N-(LUM))) < (LU (MUN)) L, M, N are sets.

A: To prove: L∩M-N∪N-L∪M⊂L∪M∪N