De Jure means as by law and De Facto means as in fact, as there are situations when the legal position does not correspond to the actual situation. The best example is where there is a revolution or...
"De jure" means "concerning law" while "de facto" means "concerning fact". A state may be de jure sovereign without being de facto sovereign, because a greater nation maintains economic or political...
De facto means in fact, and de jure means in law. De Jure slavery would refer to legalised slavery. De facto slavery would not be in a legal sense, but would be the situation nonetheless.
The Latin phrase 'de facto' refers to something as being a fact. And so 'de facto' justice refers to what's in effect in terms of a system of reconciling degrees of guilt with degrees of punishment....