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Use the truth table test of validity to determine whether or not the following arguments are valid or invalid. 1. 1. A v B 2. B 3. ∴ ~A 2. 1. A ⋅ B 2. ∴ A v B 3. 1. ~C 2. ∴ ~(C v A)

Use the truth table test of validity to determine whether or not the following arguments are valid or invalid. 1. 1. A v B 2. B 3. ∴ ~A 2. 1. A ⋅ B 2. ∴ A v B 3. 1. ~C 2. ∴ ~(C v A)

Database System Concepts
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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Exercise 12: Use the truth table test of validity to determine whether or not the following arguments are valid or invalid.

1.

1. A v B

2. B

3. ∴ ~A

2.

1. A ⋅ B

2. ∴ A v B

3.

1. ~C

2. ∴ ~(C v A)

4.

1. (A v B) ⋅ (A v C)

2. ~A

3. ∴ B v C

5.

1. R ⋅ (T v S)

2. T

3. ∴ ~S

6.

1. A v B

2. ∴ A ⋅ B

7.

1. ~(A ⋅ B)

2. ∴ ~A v ~B

8.

1. ~(A v B)

2. ∴ ~A v ~B

9.

1. (R v S) ⋅ ~D

2. ~R

3. ∴ S ⋅ ~D

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