Social legality is by interchange at first.Political legality is by concurrency at next.Economic legality is by precision at last.By principle:"First is last.Last is not last".

SOCIAL LEGALITY IS ECONOMIC LEGALITY.
ECONOMIC LEGALITY:Social equality is by moral-legal merit.
POLITICAL LEGALITY:Illegality has to be solved by COMPLEX moral-illegal being immoral.
SOCIAL LEGALITY:Antisocial underworld can be solved by antisocial police.