or where there is a Power to make him performe; there is the question whether it be against reason, that is, against the benefit of the other to performe, or not.
Baina, edo aldeetako batek bete duenean, edo betearazteko gauza den boterea badenean, arazoa sortzen da ea arrazoiaren kontrakoa, hau da, bestearen onaren kontrakoa denentz, besteak ere agindurikoa betetzea.