Express in concise (good) English without variables each of the following logical formulae.

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
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Suppose the domain of discourse D is all dinosaurs and we have the following predicates:
• F(x): x had feathers;
• S(x): x had scales;
C(x): x was carnivorous;
E(x, y): dinosaur x was eaten by dinosaur y.
Express in concise (good) English without variables each of the following logical formulae.
(e) Vx € D. Jy D. (E (x,y) → (C(y) ^ (F(y) V S(y))))
Transcribed Image Text:Suppose the domain of discourse D is all dinosaurs and we have the following predicates: • F(x): x had feathers; • S(x): x had scales; C(x): x was carnivorous; E(x, y): dinosaur x was eaten by dinosaur y. Express in concise (good) English without variables each of the following logical formulae. (e) Vx € D. Jy D. (E (x,y) → (C(y) ^ (F(y) V S(y))))
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