Reference no: EM13519315

1. All sound arguments are

a. valid but have at least one false premise

b. inductively strong

c. valid

d. invalid but have all true premises

e. none of the above

2. All unsound arguments

a. are invalid

b. have false premises

c. are inductive arguments

d. have a false premise or are invalid

e. two of the above

3. A valid argument

a. may have a false conclusion

b. may have true premises and a false conclusion

c. may be an inductively strong argument

d. may have at most one false premise

d. none of the above

4.If a valid argument has a false conclusion

a. it is, after all, not valid

b. it must have at least one false premise

c. we have encountered an unlikely but possible situation

d. we have learned not to trust deduction

e. none of the above

5.An argument

a. contains both a premise (or premises) and a conclusion

b. is either deductively valid or inductively strong

c. is valid if it has true premises

d. is a strong induction if it has true premises

e. none of the above

6.If a valid argument has all true premises, then

a. it must be sound

b. it might be sound

c. it is at least a strong inductive argument

d. it might have a false conclusion

e. none of the above

7.Removing one of the premises from an invalid argument can make it

a. more invalid

b. valid

c. unsound

d. less invalid

e. none of the above

8.Adding another premise to a valid argument can make it

a. invalid

b. unsound

c. even more valid

d. less valid

e. none of the above