Please written by computer source 67. Given the premises [ = {A, B, A → B, B → A}, which of the following formulas can be deduced using the deductiontheorem?A → BXa.O b. Av BO c. A = BO d. A^ B61. Given the premises [ = {A, B}, which of the following formulas can be deduced using the deduction theorem?a.A = BO b. A^ BXO C. AV BOd. A B

1. Answer: c. A ≡ B Explanation: Using the premises lceil= {A, B, A -> B, B -> A}, we…

67. Given the premises = {A, B, A → B, B → A), which of the following formulas can be deduced using the deduction theorem? a. ABX O b. A v B OC. A B Od. A AB 61. Given the premises [ = {A, B}, which of the following formulas can be deduced using the deduction theorem? a. A B b. О с. A^ BX А у В Od. A B

67. Given the premises = {A, B, A → B, B → A), which of the following formulas can be deduced using the deduction theorem? a. ABX O b. A v B OC. A B Od. A AB 61. Given the premises [ = {A, B}, which of the following formulas can be deduced using the deduction theorem? a. A B b. О с. A^ BX А у В Od. A B

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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