Hugo Grotius (1583-1645)

The principle of Innate Relationship states that "an action is right only if it co-exists with each and every man's free will according to the universal law"
The sole function of state is to ensure observance of law. According to him, basis of social contract was reason.
Human right of self determination; a man to act in such a way that he is guided by dictates of his own conscience,
Autonomy of the will; an action emanating from reason but it does not mean the freedom to do as one pleases Revival of natural law
John Finnis, Dr. Allen, Rudolf Stammler and Lon Fuller
Reasons- World War II, followed by Constitutionalism beginning in the last two decades of the 20th century
It questioned evident and serious violations of human dignity. Mooted for the inclusion of human rights within constitutional regimes.

Summary

Principle of respect, Principle of community participation. There must be formation of general rules to guide actions, that must be made known to public
The rules should be prospective in nature and not regressive. These should be consistent with other rules
They should be stable in a reasonable way, that is should not be changed too frequently.