“He said that although contradictory predicates are predicated of those that are the same in number, yet they are not convertibly the same.”

“A proprium is a property that does not reveal the essence, though it belongs only to that subject and is convertibly predicated of it.”

“Therefore, I abandon his text, and I say that the terms 'predicable' and 'universal' are not the same, but they are convertibly said to be the same.”