Question 1
Consider "Some free thinkers are not environmentalists. Thus, some free thinkers are non-environmentalists." Determine whether this immediate inference is drawn by
◦ conversion
◦ obversion
◦ contraposition
Question 2
Consider "Some novels are not prize winning books. Thus, some non-prize winning books are not non-novels." Determine whether this immediate inference is drawn by
◦ conversion
◦ obversion
◦ contraposition