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
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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."
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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