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Truth Tables

Translating English sentences into symbolic notation, then working row by row to settle the truth value of a compound or nested statement.

Math in Society, Truth Tables

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16 exercises

Exercise 1

Translate each statement from symbolic notation into English sentences. Let A represent “Elvis is alive” and let K represent “Elvis is the King”.

  1. Not A

  2. A or K

  3. Not A and K

  4. If K, then not A

2.5

Exercise 2

Translate each statement from symbolic notation into English sentences. Let A represent “It rains in Oregon” and let B represent “I own an umbrella”.

  1. Not B

  2. A and not B

  3. If A, then B

  4. If not B, then A

2.5

Exercise 3

Translate each statement from English sentences into symbolic notation. Let A represent “I will protest” and let B represent “There is injustice.”

  1. There is injustice and I will protest.

  2. If there is injustice, then I will protest.

  3. I will protest if there is injustice.

  4. If there is not injustice, then I will not protest.

2.5

Exercise 4

Translate each statement from English sentences into symbolic notation. Let A represent “It's time to eat” and let B represent “I am hungry.”

  1. It's time to eat and I'm not hungry.

  2. It's not time to eat.

  3. If it's time to eat, then I'm hungry.

  4. If I'm not hungry then it's not time to eat.

2.5

Exercise 5

Complete the truth table for each statement and write the meaning of each statement in the third column.

Let A be: I live in Oregon.

Let B be: I go to Portland Community College

2.5

Exercise 6

Complete the truth table for each statement and write the meaning of each statement in the third column.

Let A be: I am a psychology major

Let B be: I'm planning to transfer to Portland State

2.5

Exercise 7

Complete the truth table for each statement.

A and not B

2.5

Exercise 8

Complete the truth table for each statement.

Not (not A or B)

2.5

Exercise 9

Complete the truth table for each statement.

Not (A and B and C)

2.5

Exercise 10

Complete the truth table for each statement.

Not A or (not B and C)

2.5

Exercise 11

Create a complete truth table for each statement.

Not(A and B) or C

2.5

Exercise 12

Create a complete truth table for each statement.

(A or B) and (A or C)

2.5

Exercise 13

Create a complete truth table for each statement.

If (A and B), then C

2.5

Exercise 14

Create a complete truth table for each statement.

If (A or B), then not C

2.5

Exercise 15

Create a complete truth table for each statement.

If (A and C), then not A

2.5

Exercise 16

Create a complete truth table for each statement.

If (B or C), then (A and B)

2.5

Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.