Question 1
Consider "Since some TV stars are not tall persons, some tall persons are not TV stars." This inference, drawn by conversion, is
◦ valid
◦ not valid
◦ valid by limitation
Question 2
Consider "Some fishmongers are not peace lovers. Thus, some non-peace lovers are not non-fishmongers. " Determine whether this immediate inference is drawn by
◦ conversion,
◦ obversion
◦ contraposition.