Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

10. a proposition

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

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