Using the predicate symbols shown and the appropriate quantifiers, write each English language statement as a predicate wff. (The domain is the whole world.)D(x): x is a dayS(x): x is sunnyR(x): x is rainyM: MondayT: TuesdaySome days are not rainy. which one from this group of answes is the right one a. (∀x)(D(x) ∧ [R(x)]')b. (∀x)(D(x) → [R(x)]')c. (∃x)(D(x) → [R(x)]')d. (∃x)(D(x) ∧ [R(x)]')

Answered: Using the predicate symbols shown and…

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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Using the predicate symbols shown and the appropriate quantifiers, write each English language statement as a predicate wff. (The domain is the whole world.)

D(x): x is a day
S(x): x is sunny
R(x): x is rainy
M: Monday
T: Tuesday

Some days are not rainy.

which one from this group of answes is the right one

a. (∀x)(D(x) ∧ [R(x)]')

b. (∀x)(D(x) → [R(x)]')

c. (∃x)(D(x) → [R(x)]')

d. (∃x)(D(x) ∧ [R(x)]')

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