Positive rights are the right to shelter, the right to education, the right to health care, the right to a living wage. These things are - these are, I would call them, more properly, political rights rather than positive rights. And they are extremely tricky, because now we are dealing with things that are zero sum.
The only positive finding which could be drawn from the first series, was the conclusion that the relationships obviously had a more complicated lay-out than had been thought, for the effects were so varied that no obedience to any law could be discovered.