1. Consider the following formula q T 9 P (ii) p (a) Identify the string representation (e.g. pVq→q) of each of the formulas above. (b) Create the tree representation of the formula corresponding to (q^ (p→q)) V (rp). (c) Note that, if you just delete all of the parentheses in the string formulas from (a) and (b), all three would turn into q^-p→qVrp. Do either of the two formulas in (a) or the formula in (b) correspond to qpqVrp? Explain your answer.

1. Consider the following formula q T 9 P (ii) p (a) Identify the string representation (e.g. pVq→q) of each of the formulas above. (b) Create the tree representation of the formula corresponding to (q^ (p→q)) V (rp). (c) Note that, if you just delete all of the parentheses in the string formulas from (a) and (b), all three would turn into q^-p→qVrp. Do either of the two formulas in (a) or the formula in (b) correspond to qpqVrp? Explain your answer.

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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