1.4: Validity, Truth, Soundness, Strength, Cogency

Question 1

Deductive argument to…
Inductive argument to…

Answer 1

Validity, Strength

Question 2

What two characteristics are associated to deductive and inductive arguments?

Think: “V and S…”

Answer 2

validity and strength

Question 3

What is a valid deductive argument?

Answer 3

it’s impossible for the conclusion to be false since the premises are true

Question 4

What is an invalid deductive argument?

Answer 4

it is possible for the conclusion to be false since the premises are true

Question 5

What is a sound argument?

Answer 5

a deductive argument that’s valid with all true premises

valid argument + true premises

Question 6

What is an unsound argument?

Answer 6

an invalid deductive argument with false premises

invalid argument + false premises

For an argument to be unsound, the false premise or premises must actually be needed to support the conclusion

Question 7

What is a strong inductive argument?

Answer 7

the conclusion follows from the premises, assuming they’re true

Question 8

What is a weak inductive argument?

Answer 8

the conclusion doesn’t follow from the premises, assuming they’re true

Question 9

What is a cogent argument?

Answer 9

a strong inductive with all true premises

Question 10

What is an uncogent argument?

Answer 10

a weak inductive argument without all true premises

fails to meet total evidence requirement (TER)