Am I Logical?

1. Valid arguments

A) may have false conclusions
B) infer their conclusions
C) have true premises
D) may not have false conclusion

2. All men are mortal

A) implies all men are mortal
B) implies there are men
C) is a contradiction
D) is not a proposition

3. the argument: if p then q, q, therefore p

A) is sound
B) is valid
C) is a categorical argument
D) is invalid

4. in a valid argument

A) all premises are necessarily true
B) no conclusion may be false
C) if the premises are all true the conclusion must be true
D) no premise may be false

5. there are ___ quantifiers for categorical syllogisms

A) two
B) four
C) three
D) one

6. Some men are swimmers. Some swimmers are Olympic athletes. Some men are Olympic athletes

A) is sound
B) is not a syllogism
C) is invalid
D) is valid

7. "implies" and "infers"

A) are equivalent
B) are interchangeable
C) have differing conotations
D) are meaningless

8. "and/or" is _____ with "or"

A) the converse
B) logically equivalent
C) contradictory
D) opposite

9. logic is the science of

A) thinking
B) implication
C) truth
D) fallacies

10. a proposition

A) is either true or false
B) is any statement
C) is an assertion
D) may be both true and false

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