Consider the following resolution proof:1. Р(x)P2. ду, а) V -р(а) Р3. ¬q(a, a)4. ду, а)5. qа, а)6.Is this proof correct?

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Answered: Consider the following resolution…

Consider the following resolution proof: 1. р(x) P 2. q(y, a) V ¬p(a) 3. q(а, а) P 4. ду, а) 5. да, а) 6. Is this proof correct?

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

Consider the following resolution proof:
1. Р(x)
P
2. ду, а) V -р(а) Р
3. ¬q(a, a)
4. ду, а)
5. qа, а)
6.
Is this proof correct?

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