Am I Logical?

1. Valid arguments

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

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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