_ You think rightly; but if you cannot assent to my
conclusion you ought to show that the premises are false, or that
the are unfairly deduced; for if the premises be
granted, you cannot reject the inferences from them.
conclusion you ought to show that the premises are false, or that
the are unfairly deduced; for if the premises be
granted, you cannot reject the inferences from them.
Chaucer - Boethius