Identify the scope of each of the quantifiers in the following wffs and indicate any free variables. a. (Vx)[P(x)→ Q(v)] b. Əx)[A(x) ^ (Vy)B(y)] c. ex)[(Yy) Ρ(α. y) Λ Qi. y)] d. Ex)Ay)[A(x, y) ^ B(y, z) → A(a, z)]
Identify the scope of each of the quantifiers in the following wffs and indicate any free variables. a. (Vx)[P(x)→ Q(v)] b. Əx)[A(x) ^ (Vy)B(y)] c. ex)[(Yy) Ρ(α. y) Λ Qi. y)] d. Ex)Ay)[A(x, y) ^ B(y, z) → A(a, z)]
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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![Identify the scope of each of the quantifiers in the following wffs and indicate any free variables.
a. (Vx)[P(x)→ Q(v)]
b. Əx)[A(x) ^ (Vy)B(y)]
c. ex)[(Yy) Ρ(α. y) Λ Qi. y)]
d. Ex)Ay)[A(x, y) ^ B(y, z) → A(a, z)]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd588b409-f5e1-425b-8518-96db1abda83e%2F12711249-e105-4a58-a905-1f0b32672dd7%2F1446n4h.png&w=3840&q=75)
Transcribed Image Text:Identify the scope of each of the quantifiers in the following wffs and indicate any free variables.
a. (Vx)[P(x)→ Q(v)]
b. Əx)[A(x) ^ (Vy)B(y)]
c. ex)[(Yy) Ρ(α. y) Λ Qi. y)]
d. Ex)Ay)[A(x, y) ^ B(y, z) → A(a, z)]
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