Discrete Math: Define the following predicates on the domain for all people. S(x) = "x is a student" T(x) = "x is a teacher" F(x,y) = "x and y are distinct people who are friends with one another" (Also asume that F(x,y) is the same as F(y,x) ) Look at images for the questions.
Discrete Math: Define the following predicates on the domain for all people. S(x) = "x is a student" T(x) = "x is a teacher" F(x,y) = "x and y are distinct people who are friends with one another" (Also asume that F(x,y) is the same as F(y,x) ) Look at images for the questions.
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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Discrete Math:
Define the following predicates on the domain for all people.
S(x) = "x is a student"
T(x) = "x is a teacher"
F(x,y) = "x and y are distinct people who are friends with one another" (Also asume that F(x,y) is the same as F(y,x) )
Look at images for the questions.
![Consider the statements Vx3y[S(x)→F(x,y)] and 3yVx[S(x)→F(x,y)]. Express each
statement verbally and explain how they differ in meaning.
Express the statement symbolically. "Teachers are never friends with students."](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3bcc87c-564f-4301-905c-27fbaf2d1a54%2F882ec4d4-3b55-4049-ad6f-44b464f25fe4%2Fnm76tw_processed.png&w=3840&q=75)
Transcribed Image Text:Consider the statements Vx3y[S(x)→F(x,y)] and 3yVx[S(x)→F(x,y)]. Express each
statement verbally and explain how they differ in meaning.
Express the statement symbolically. "Teachers are never friends with students."
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