The Sailors-Boats-Reserves database schema consists of three relations, whose schemas are: Sailors(sid, sname, rating, age) Boats(bid, bname, color) Reserves(sid, bid, day) Sailors Boats Reserves sid sname rating age bid bname color sid bid day 22 Dustin 45 101 Interlake blue 22 101 2020-10-10 29 Brutus 1 33 102 Interlakered 22 102 2020-10-10 31 Lubber 18 55.5 |103 Clipper Igreen 22 103 2020-10-8 32 Andy 8 25.5 104 Marine red 22 104 2020-10-7 58 Rusty 10 35 31 102 2020-11-10 64 Horatio 7 35 31 103 2020-11-6 71 Zorba 10 16 31 104 2020-11-12 74 Horatio 19 40 64 101 2020-9-5 85 Art 3 25.5 64 102 2020-9-8 95 Bob 63.5 74 103 2020-9-8 Figure 1: Instances of Sailors, Boats and Reserves Give a relational algebra expression for each of the following queries: Find all information of sailors wh have reserved boat number 102.

Q: A group of 4 students namely Maiyra, Bansan, Kate and Davis from final semester in Computer Sciences…

A: (i) Let R be a relation defined by R=Maiyra, DIP, Bansan, Computer Vision, Kate, DIP, Davis, Pattern…

Q: Let A = {a,b, c, d, e, ƒ}, and let G and H be the following equivalence relations in A: G = IA U…

A:

Q: Let A = {1, 2, 3}. Then show that the number of relations containing (1, 2)and (2, 3) which are…

A: The smallest reflexive relation on set A containing (1, 2) and (2, 3) is

Q: Let A = {1, 2, 3, 4, 5}. Define the following relations on A. R1 = {(1,1), (1,2), (2,1), (3,2),…

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Q: Is the relation of “mapping” between two sets used to determine cardinality - and not used to…

A: Note- Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Given the following relation, { ( A, A ), ( A, B ), ( A, E ), ( B, B ), ( B, E ), ( C, A ), ( C, B…

A: Given the following relation, {(A, A), (A, B), (A, E), (B, B), (B, E), (C, A), (C, B), (C, C), (C,…

Q: Draw the direction of the graph that represents the relations.

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Q: Use the lowercase letters in the table to list the elements in (O ∪ R)′.

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Q: 2. There are 45 servers in the company. 20 of these have experienced a denial of service attack (D),…

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Q: A set of dice is called intransitive (or non-transitive) if it contains three dice, A, B, C, with…

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Q: In the Axiom Systems section of the Background chapter (1.6), a binary relation <on a nonempty set X…

A: Given X is a set consisting of 64 teams.  Let ⩽ be the relation on X such that for a,b∈X, a≤b…

Q: S and T are binary relations on the set {a, b, c, d} and are defined as follows: S%3{ (а, b), (a,…

A:

Q: Consider the following relations on {1, 2, 3, 4}. R1 = {(2,2), (2,3),(2,4),(3,2),(3,3),(3,4)} R2 =…

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

Q: Consider the following relations on {1, 2, 3, 4}. R1 = {(2,2), (2,3),(2,4),(3,2),(3,3),(3,4)} R2 =…

A: This is a problem of relation.

Q: 12. Consider the following relations on {1, 2, 3, 4). R1 = {(2,2), (2,31.2,4).(3,2).(3,3).(3,4)} R2…

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Q: Show every possible 1-1 correspondence between the following sets. {a, b, c} and {1, 2, 3}.

A: Possible 1-1 correspondence between two sets

Q: A group of 2517 students were surveyed about the courses they were taking at their college with the…

A: Given information: Total number of students n=2517.

Q: Given the following adjacency matrix, A, for nodes a, b, c, and d, find the transitive closure of A.…

A:

Q: Let

A:

Q: Draw a single Venn diagram that represents the relationsh

A: Introduction: A Venn diagram could be a graphic that employs circles to depict relationships between…

Q: The arrow diagram below represents a relation. 1 2 3 Figure 1: An arrow diagram shous three…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: At a round table seating twelve, in how many relative orders can we seat 6 men and 6 women in…

A:

Q: State the name of the following relationships: 1. Z1 & 26 2. 22 & 27. 3. Z16 & Z14 4. Z14 & Z11. 5.…

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

Q: Given the relation R- {(1,1), (2.2). (3,3).(4.4), (1,2). (2,1). (3,4), (4,3)) on the set X…

A:

Q: Give an example of a mathematical object that satisfies the described proper- ties or explain why…

A: Determinant

Q: Let S = ((a), b, (a, (b)]), c). Which one of the following relations on S is a strict partial order?…

A:

Q: Let A (11, 22, 33) and B- (11, 22, 33, 44). If the relation R₁ ((11,11).(22,22),(33,33)) and R₂-…

A:

Q: Consider the family of sets S1=(8},S2={2,8},S3={2,4},S'4={2,4,8} . Does this family has a system of…

A: We have given family of sets: S1=8, S2=2,8,S3=2,4,S4=2,4,8 We know that the family of sets…

Q: 2.) Suppose A is a set with 4 elements and B is a set with 3 elements. How many relations are there…

A:

Q: Decide whether the following relations is a partial order or not. (a, b) | a Í b, a and b are…

A: We have to decide whether given relation is partial order or not?

Q: This question has 2 parts. Part 1: The drawing below shows a Hasse diagram for a partial order on…

A: A Hasse-diagram for a partial order set on the given set A,B,C,D,E,F,G,H,I,Jis given below .

Q: A group of 4 students namely Maiyra, Bansan, Kate and Davis from final semester in Computer Sciences…

A: The relation R will be Maiyra,Dip,Maiyra, Computer Vision,Maiyra, Pattern…

Q: Choose the small world that shows the following interference is NOT valid: (∀x)(Fx->Gx) and Fa;…

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Q: (b) Suppose that the experiment A has M mutually exclusive possible out- comes Am, and the…

A:

Q: 1. Consider the relation < on the set {1,2, 3, 4}. Write down this relation as a set of ordered…

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Q: Let A = {small, medium, large}, B = {yellow, orange}, and C = {triangle, round}. List the elements…

A:

Q: Which is a table of ordered pairs defined by X+2 Ax) -13 -24 14 46 -14 6. -4 Ax) 7. 0. 路 14 -2 -14…

A: Given :                y = -2/7 x + 2 Put x = 7   ,   y = 0 Put x = 14   ,   y = -2 Put x = -14…

Q: This question refers to unions and intersections of relations. Since relations are subsets of…

A:

Q: You create a general AI (artificial intelligence) and want to teach him “friendship" as a relation…

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Q: This question refers to unions and intersections of relations. Since relations are subsets of…

A: The given sets are: A={-2,2,3,5} and B={2,3}

Q: Fifty percent of the workers at a factory work a second job, 25% have a spouse who also works, 5%…

A:

Q: 1. Let A = {a, b, c} and B = {r,s, t, u}. Furthermore, let R = {(a, s), (a, t)}, (b, t) be a…

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Q: Suppose that the table below summarizes the opinions of various groups on the issue of carbon…

A:

Q: (c) A vet surveys 100 of her dients. She finds that 25 own dogs 53 own cats 40 own tropical fish 15…

A: We have to solve the given problems

Q: This question refers to unions and intersections of relations. Since relations are subsets of…

A: A={-4,4,7,9}B={4,7} A×B=-4,4,-4,7,4,4,4,7,7,4,7,7,7,4,7,7,9,4,9,7

Q: Which of the following relations is the a partial ordering on the set A = {3,7,9}? O…

A: A relation R on a set A is called a partial order relation if it satisfies the following three…

Q: let A= {a,b,c,d} and R= {(a,a),(a,c),(b,d),(c,a),(c,c),(d,b)} be a relation on A. What is the…

A:

Q: 9.16. Let A = {a, b, c, d}. How many relations defined on A are reflexive, symmetric and transitive…

A: given A=a,b,c,d claim- how many realations defined on A are reflexive , symmetric and transitive and…

Q: Let P={1.2,3,4,12,36} and the relation set R={(1,1)…

A: The objective is to show that (P,R) is a poser. Represent the relation using the diagraph and then…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.