Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

10. a proposition

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

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