Answered: ing WFF, identify (i) the main…

ing WFF, identify (i) the main operator, (ii) all of the free variable occurrences, and (iii) all of the non-vacuous quantifiers. ∃w(∀x(F w ∨ Cy))

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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Question

In the following WFF, identify (i) the main operator, (ii) all of the free variable occurrences,
and (iii) all of the non-vacuous quantifiers.
∃w(∀x(F w ∨ Cy)) ∧ ((F x ∧ Gt) ↔ ∀vY v)

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