Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

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

4. in a valid argument

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

5. there are ___ quantifiers for categorical syllogisms

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

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

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

7. "implies" and "infers"

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

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

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

9. logic is the science of

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

10. a proposition

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

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