Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

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

9. logic is the science of

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

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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