Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

10. a proposition

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

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