CHAPTER 3

CHAPTER 3

Logic

Copyright ? 2015, 2011, 2007 Pearson Education, Inc.

Section 3.3, Slide 1

3.3

Truth Tables for Negation, Conjunction, and

Disjunction

Copyright ? 2015, 2011, 2007 Pearson Education, Inc.

Section 3.3, Slide 2

Objectives

1. Use the definitions of negation, conjunction,

and disjunction.

2. Construct truth tables.

3. Determine the truth value of a compound

statement for a specific case.

Copyright ? 2015, 2011, 2007 Pearson Education, Inc.

Section 3.3, Slide 3

Truth Tables

Negation (not): Opposite truth value from the

statement.

Negation

p

~p

T

F

F

T

Copyright ? 2015, 2011, 2007 Pearson Education, Inc.

Section 3.3, Slide 4

Truth Tables

Conjunction (and): Only true when both

statements are true.

p

T

T

F

F

Conjunction

q

p¡Äq

T

T

F

F

T

F

F

F

Copyright ? 2015, 2011, 2007 Pearson Education, Inc.

Section 3.3, Slide 5

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