Let K(x) be the statement "x has a pet koala," let G(x) be the statement "x has a gazelle," let U (x) be the statement "x has a unicorn,” and let F(x) be the statement "x has a farm." Express each of these statements in terms of K(x), G(x), U(x), F(x), quantifiers, and logical connectives. Let the domain consist of all people. (a) Everyone owns a gazelle or a unicorn. (b) Any person who does not own a farm cannot own a koala, gazelle, or unicorn. (c) No one owns a gazelle, but everyone owns a koala. (d) Some people own both a unicorn and a farm, but not all people own both a koala and a gazelle. (e) Each type of animal (koala, gazelle, unicorn) is owned by at least one person.

Let K(x) be the statement "x has a pet koala," let G(x) be the statement "x has a gazelle," let U (x) be the statement "x has a unicorn,” and let F(x) be the statement "x has a farm." Express each of these statements in terms of K(x), G(x), U(x), F(x), quantifiers, and logical connectives. Let the domain consist of all people. (a) Everyone owns a gazelle or a unicorn. (b) Any person who does not own a farm cannot own a koala, gazelle, or unicorn. (c) No one owns a gazelle, but everyone owns a koala. (d) Some people own both a unicorn and a farm, but not all people own both a koala and a gazelle. (e) Each type of animal (koala, gazelle, unicorn) is owned by at least one person.

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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Concept explainers

Bare bones programming language

Bare bones programming language is a low-level programming language that gives a detailed stepwise description of a program. It has a tight program design and in-depth understanding of the toolchain. It is based on the target environment and is used for safe coding practices. C programming language is a type of bare bones programming language.

Question

3.
Let K(x) be the statement “x has a pet koala,” let G(x) be the statement “x has
a gazelle," let U(x) be the statement "x has a unicorn," and let F(x) be the statement "x has a
farm." Express each of these statements in terms of K(x), G(x), U(x), F(x), quantifiers, and logical
connectives. Let the domain consist of all people.
(a) Everyone owns a gazelle or a unicorn.
(b) Any person who does not own a farm cannot own a koala, gazelle, or unicorn.
(c) No one owns a gazelle, but everyone owns a koala.
(d) Some people own both a unicorn and a farm, but not all people own both a koala and a
gazelle.
(e) Each type of animal (koala, gazelle, unicorn) is owned by at least one person.

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