Am I Logical?

1. Valid arguments

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

2. All men are mortal

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

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

5. there are ___ quantifiers for categorical syllogisms

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

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 sound
D) is invalid

7. "implies" and "infers"

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

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) fallacies
C) truth
D) thinking

10. a proposition

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

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