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

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

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

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

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

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

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

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

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

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