Friday

September 4, 2015
Posted by **Juan J** on Sunday, July 31, 2011 at 1:26pm.

false.

true.

Cannot be determined.

All of the above.

2. What is the truth value of the sentence "P & ~ P"? (Points : 1)

True

False

Cannot be determined

Not a sentence

3. If P is true, and Q is false, the truth-value of "P Q" is (Points : 1)

false.

true.

Cannot be determined.

All of the above.

4. Truth tables can determine which of the following? (Points : 1)

If an argument is valid

If an argument is sound

If a sentence is valid

All of the above

5. The sentence "P Q" is best read as

(Points : 1)

If P then Q

If Q then P

P or Q

P if and only if Q

6. "Julie and Kurt got married and had a baby" is best symbolized as (Points : 1)

M v B

M & B

M B

M B

7. Truth tables can (Points : 1)

display all the possible truth values involved with a set of sentences.

determine what scientific claims are true.

determine if inductive arguments are strong.

determine if inductive arguments are weak.

8. In the conditional "P Q," "P" is a (Points : 1)

sufficient condition for Q.

sufficient condition for P.

necessary condition for P.

necessary condition for Q.

9. The truth table for a valid deductive argument will show (Points : 1)

wherever the premises are true, the conclusion is true.

that the premises are false.

that some premises are true, some premises false.

wherever the premises are true, the conclusion is false.

10. A conditional sentence with a false antecedent is always (Points : 1)

true.

false.

Cannot be determined.

not a sentence.

- Phil103 Informal Logic -
**Anonymous**, Thursday, September 29, 2011 at 8:13pm1.a

2.a

3.a

4.a

5.b

6.c

- Phil103 Informal Logic -
**Anonymous**, Friday, October 14, 2011 at 1:08ama

c

d

- Phil103 Informal Logic -
**MYMADNESS**, Sunday, October 30, 2011 at 10:21amWhat are the anwser for these post? Thanks!

- Phil103 Informal Logic -
**Anonymous**, Tuesday, January 24, 2012 at 1:04am6 M&B

- Phil103 Informal Logic -
**Anonymous**, Tuesday, January 24, 2012 at 1:06amIn the conditional "P Q," "Q is a

necessary condition for P.

- Phil103 Informal Logic -
**Anonymous**, Monday, February 13, 2012 at 11:03pmPhi 103 informal logic test week 5 answers

- Phil103 Informal Logic -
**Anonymous**, Thursday, August 30, 2012 at 4:02pm1 B

2 c

3 A

4 A

5 B

6 B

7 A

8 A

I did not give you 9& 10 b/c you need to miss some of them at least you pass i miss three and made a 70 you miss two you make an 80 better than a 30

- Phil103 Informal Logic -
**ANGEL**, Thursday, October 11, 2012 at 7:20pm1 A

2 A

3 B

4 A

5 C

6 C

7 D

YOU WILL HAVE FIGURE OUT THE OTHER 4.... BUT IF YOU GET THOSE 7 CORRECT YOU WILL MAKE A 70. BETTER THEN A ZERO.

- Phil103 Informal Logic -
**mandy**, Sunday, November 25, 2012 at 9:25pm1. Question :

A sentence is said to be truth-functional if and only if

Student Answer: the sentence might be true.

the truth-value of the sentence cannot be determined from the truth values of its components.

the truth-value of the sentence is determined always to be false.

CORRECT the truth-value of the sentence can be determined from the truth values of its components.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

2. Question :

Truth tables can be used to examine

Student Answer: inductive arguments.

CORRECT deductive arguments.

abductive arguments.

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

3. Question :

What is the truth value of the sentence "P v ~ P"?

Student Answer: CORRECT True

False

Cannot be determined

Not a sentence

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

4. Question :

A conditional sentence with a false antecedent is always

Student Answer: CORRECT true.

false.

Cannot be determined.

not a sentence.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

5. Question :

"Julie and Kurt got married and had a baby" is best symbolized as

Student Answer: M v B

CORRECT M & B

M → B

M ↔ B

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

6. Question :

If P is true, and Q is false, the truth-value of "P v Q" is

Student Answer: false.

CORRECT true.

Cannot be determined

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

7. Question :

"~ P v Q" is best read as

Student Answer: Not P and Q

It is not the case that P and it is not the case that Q

CORRECT It is not the case that P or Q

It is not the case that P and Q

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

8. Question :

Truth tables can determine which of the following?

Student Answer: CORRECT If an argument is valid

If an argument is sound

If a sentence is valid

INCORRECT All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1

Comments:

9. Question :

In the truth table for an invalid argument,

Student Answer: on at least one row, where the premises are all true, the conclusion is true.

CORRECT on at least one row, where the premises are all true, the conclusion is false.

on all the rows where the premises are all true, the conclusion is true.

on most of the rows, where the premises are all true, the conclusion is true.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

10. Question :

Truth tables can

Student Answer: CORRECT display all the possible truth values involved with a set of sentences.

determine what scientific claims are true.

determine if inductive arguments are strong.

determine if inductive arguments are weak.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

- Phil103 Informal Logic -
**ANSWERS**, Sunday, June 23, 2013 at 6:08pm1. Question :

"~ P v Q" is best read as

Student Answer: Not P and Q

INCORRECT It is not the case that P and it is not the case that Q

CORRECT It is not the case that P or Q

It is not the case that P and Q

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1

Comments:

2. Question :

"Julie and Kurt got married and had a baby" is best symbolized as

Student Answer: M v B

CORRECT M & B

M → B

M ↔ B

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

3. Question :

In the conditional "P → Q," "Q is a

Student Answer: sufficient condition for Q.

INCORRECT sufficient condition for P.

CORRECT necessary condition for P.

necessary condition for Q.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1

Comments:

4. Question :

Truth tables can

Student Answer: CORRECT display all the possible truth values involved with a set of sentences.

determine what scientific claims are true.

determine if inductive arguments are strong.

determine if inductive arguments are weak.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

5. Question :

If P is true, and Q is false, the truth-value of "P v Q" is

Student Answer: false.

CORRECT true.

Cannot be determined

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

6. Question :

The truth table for a valid deductive argument will show

Student Answer: CORRECT wherever the premises are true, the conclusion is true.

that the premises are false.

that some premises are true, some premises false.

wherever the premises are true, the conclusion is false.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

7. Question :

The sentence "P ↔ Q" is best read as

Student Answer: If P then Q

If Q then P

P or Q

CORRECT P if and only if Q

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

8. Question :

A sentence is said to be truth-functional if and only if

Student Answer: the sentence might be true.

the truth-value of the sentence cannot be determined from the truth values of its components.

the truth-value of the sentence is determined always to be false.

CORRECT the truth-value of the sentence can be determined from the truth values of its components.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

9. Question :

Truth tables can be used to examine

Student Answer: inductive arguments.

CORRECT deductive arguments.

abductive arguments.

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

10. Question :

Truth tables can determine which of the following?

Student Answer: CORRECT If an argument is valid

If an argument is sound

If a sentence is valid

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

- Phil103 Informal Logic -
**unknown**, Saturday, June 29, 2013 at 2:20pm1. Question :

If P is false, and Q is false, the truth-value of "P Q" is

Student Answer: INCORRECT false.

CORRECT true.

Cannot be determined.

All of the above.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1

Comments:

2. Question :

"~ P v Q" is best read as

Student Answer: Not P and Q

It is not the case that P and it is not the case that Q

CORRECT It is not the case that P or Q

It is not the case that P and Q

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

3. Question :

In the conditional "P Q," "Q is a

Student Answer: sufficient condition for Q.

sufficient condition for P.

CORRECT necessary condition for P.

necessary condition for Q.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

4. Question :

In the truth table for an invalid argument,

Student Answer: INCORRECT on at least one row, where the premises are all true, the conclusion is true.

CORRECT on at least one row, where the premises are all true, the conclusion is false.

on all the rows where the premises are all true, the conclusion is true.

on most of the rows, where the premises are all true, the conclusion is true.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1

Comments:

5. Question :

A conditional sentence with a false antecedent is always

Student Answer: CORRECT true.

false.

Cannot be determined.

not a sentence.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

6. Question :

What is the truth value of the sentence "P v ~ P"?

Student Answer: CORRECT True

False

Cannot be determined

Not a sentence

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

7. Question :

If P is true, and Q is false, the truth-value of "P v Q" is

Student Answer: false.

CORRECT true.

Cannot be determined

All of the above

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

8. Question :

Truth tables can

Student Answer: CORRECT display all the possible truth values involved with a set of sentences.

determine what scientific claims are true.

determine if inductive arguments are strong.

determine if inductive arguments are weak.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

9. Question :

A sentence is said to be truth-functional if and only if

Student Answer: the sentence might be true.

the truth-value of the sentence cannot be determined from the truth values of its components.

the truth-value of the sentence is determined always to be false.

CORRECT the truth-value of the sentence can be determined from the truth values of its components.

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 1 of 1

Comments:

10. Question :

What is the truth value of the sentence "P & ~ P"?

Student Answer: INCORRECT True

CORRECT False

Cannot be determined

Not a sentence

Instructor Explanation: The answer can be found in Chapter Six of An Introduction to Logic.

Points Received: 0 of 1