Stuff

Question 1

obverse

Answer 1

change it from affirmative to negative, or vice versa

replace predicate with complimentary term

Question 2

converse

Answer 2

switch positions of the subject and predicate

Question 3

contrapostive

Answer 3

switch position of subject and predicate

replace both terms with complimentary term

Question 4

Argument is valid when

Answer 4

Truth of premises guarantees truth of its conclusion

Question 5

Rules of distribution

Answer 5

1. cannot be more negative claims in premise than in conclusion
2. at least one premise must distribute middle term
3. any term distributed in conlcusion must be distributed in premise