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) is not a proposition
C) is a contradiction
D) implies there are men

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

10. a proposition

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

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