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Gallileo
Liberal theory
British political philosopher Edmund Burke (1729-1797)
Aristotle; tragedy
Plato
the Greek Philosophers did not test their theory.
Nullification
Chomsky
Your question is confusing, however, morality
ROUSSEAU
No
Thomas Hobbes is the philosopher that developed Social Contract Theory. John Locke and Jean-Jacques Rousseau are also proponents of Social Contract Theory.