Assuming the following predicates: • L(x, y): x is strictly less than y (x0); • D(x, y): x divides y exactly; determine which of the following formulae are true (in your answer include an expres- sion of the formula in concise (good) English without variables). (c) x €Z+. Vy € Z+. (G(x) → (P(y) ^ L(x, y)))

Assuming the following predicates: • L(x, y): x is strictly less than y (x0); • D(x, y): x divides y exactly; determine which of the following formulae are true (in your answer include an expres- sion of the formula in concise (good) English without variables). (c) x €Z+. Vy € Z+. (G(x) → (P(y) ^ L(x, y)))

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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