Argument from justice.

[paulpablo]

1. Justice either has a basis or it doesn't.
2. If it has a basis, then justice itself is the basis of all instances and application.
3. If doesn't have a basis, it's arbitrary.
4. If it's arbitrary it's contradictory and delusional.
5.If it has a basis, it must have a real existence and not be a mere relative conceptual framework that we sort of agree upon.
6. There exists a non-arbitrary justice potential.
8. Therefore a basis of justice exists.
9. Therefore justice exists.
10. Therefore justice has a real existence.
11. We haven't seen justice in this world as of yet, which means it's basis must be eternal.
12. If justice exists, then humanity will eventually experience justice.
13. Therefore humanity will eventually experience justice.
14. Justice by definition gives everything it's due.
15. The only being that can give everything it's due, is the perfect judge and the one who sees things as they are.
16. If justice, exist, then the perfect judge exists.
17. Therefore, the perfect judge exists.

1...2....3....let's see everyone deny justice.............

Justice is a word humans invented to describe fair treatment and so on.

It's subjective but not completely random, people try and decide what's fair and debate about it and argue about it.

I don't know if we have seen justice in this world yet, I'm not a perfect judge of what justice is, I'm just another human being like everyone else who has an opinion on what being treated fairly is, other people will disagree with my opinion.

I don't know if all humans will experience justice at some point.

You can't look up a word in a dictionary and based on it's meaning say that everyone is going to experience some sort of action in the future, it's just a word used to vaguely describe something, it doesn't mean that a perfect version of it exists and therefore god exists because only he can do this thing perfectly.

At some point in time someone came up with the word "good" this doesn't mean therefore something perfectly, objectively definitively, good exists eternally out there. 
It's just a word people use to describe their subjective experience and a lot of the time it can be agreed upon and a lot of the time it can't.
It's a human word and subject to human experience.