EXAMPLE: "Every fluffy kitten is cute."Predicates: Let F(x) be the statement that "x is fluffy", K(x) be the statement that "x is a kitten", C(x)be the statement that "x is cute".Domain: all catsExpressed as:√x ((K(x) ^ F(x)) → C(x))(a) "All adult Americans can vote."Predicates: Let D(x) be the statement that "x is an adult", A(x) be the statement that "x is anAmerican", and V(x) be the statement that "x can vote".Domain: all people(b) "There is a dog that greets everyone."Predicates: Let D(x) be the statement that "x is a dog", P(y) be the statement that "y is a person",and G(x, y) be the statement that "x greets y".Domain: all dogs and all people(c) "Any two bananas taste similar to each other."Predicates: Let B(x) be the statement that "x is a banana" and T(x, y) be the statement that "x andy taste similar".Domain: all bananas Given the predicates and domains in each problem, express each of the following sentences in terms of thepredicates, quantifiers, and logical operators.

Answered: Image /qna-images/answer/6377e942-e4d3-49d3-9908-d2af822308f6.jpg

Answered: EXAMPLE: "Every fluffy kitten is cute."…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Specification: Read sentences from the user until * is entered. Show the number of words in each sentence that contain a stretch of non-z characters with exactly 2 vowels. A stretch starts from the start of the word or after a 'z'. A stretch terminates just before another 'z' or at the end of the word. Examples: 1. Matching words: zoo, azozooza, GONZALEZ 2. Non-matching words: ozo, azoooza The sentences contain no punctuation, the words are separated by one or more spaces, and the characters may be upper or lower case. Keep reading sentences until the user enters "*". Sample I/O: Sentence: azoooza azooza zoo azoo Matching words = 3 Sentence: GONZALEZ passes the ball to VAZQUEZ Matching words = 3 Sentence: azozototzeti Matching words = 1 Sentence: * Done
Programming homework1) Simulated waiting queue in an Indian post office: In an Indian post office that not only distributes mail but also performs some financial activities like a savings bank, a lone postal worker attends to a single lineup of clients. As soon as a consumer enters the line, they are given a token # (serial number). After receiving assistance, the consumer exits the queue while the postal worker receives the token back. The employee could inquire as to how many consumers are still unattended at any one time.i) Put the system into practise using a suitable queue data structure, simulating the arrival and departure of consumers at random when the service is finished.
3. Let S(x) be the statement "x studied for the exam" and H(x, y) be the statement "x scored higher than y in the exam," where the domain of x and y consists of all students in this class. Which logical expression corresponds to the following statement? "Every student in this class who studied for the exam scored higher in the exam than every student who did not study for the exam." a. VxVy (H (x, y) → (S(x) ^ ¬S(y))) b. VxVy(S(x)^¬S(y) ^ H (x, y)) c. VxVy((S(x) ^ ¬S(y)) → H (x, y)) d. VxVy((S(x) → ¬S(y)) → H (x, y))
2. Let A(x) be the statement "x has apples," C(x) be the statement "x has cherries," and B(x, y) be the statement "x is better than y," where the domain of x and y consists of all pies. Which logical expression corresponds to the following statement? "There is some pie that has apples that is better than every pie that has cherries." a. 3xVy(A(x) ^ (C(y) → B (x, y))) b. xvy(A(x)^C(y) ^ B (x, y)) c. xvy((A(x) ^ C(y)) → B (x, y)) d. 3xVy(A(x) → (C(y) ^ B (x, y)))
Let Q(x, y) denote the statement “x has sent an e-mail message to y”, where the domain for both x and y consists of all students in your class. Express each of the following quantifications in English. 1. x y Q(x, y) 2. x y Q(x, y) 3. x y Q(x, y) 4. y x Q(x, y) 5. y x Q(x, y)

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