arguments

Question 1

Valid argument

Answer 1

deductive: it is impossible for the premises to be true and the conclusion to be false

Question 2

Invalid argument

Answer 2

deductive: it is possible for the premises to be true and the conclusion to be false

Question 3

Sound argument

Answer 3

deductive: valid with all true premises

Question 4

Strong argument

Answer 4

inductive: if premises are true, conclusion very probable

Question 5

Weak argument

Answer 5

inductive: if premises are true, conclusion still not probably

Question 6

Cogent argument

Answer 6

inductive: true premises and strong

Question 7

Total Evidence Requirement

Answer 7

cannot exclude vital information and be content

Question 8

If p then q
p
then q

Answer 8

modus pones, valid

Question 9

If p then q
q
then p

Answer 9

affirming the consequent, invalid

Question 10

If p then q
not q
so not p

Answer 10

modus tollens, valid

Question 11

If p then q
not p
so not q

Answer 11

denying the antecedent, invalid

Question 12

If p then q
if q then r
so if p then r

Answer 12

hypothetical syllogism, valid

Question 13

Either p or q
not p
so q

Answer 13

disjunctive syllogism, valid