Definition of law.
Relationship between law and morality.
Natural law Theory; legal Positivism; legal Realism; New Costitutionalism.
Legal norm; legal system.
The problem of completeness and coherence of the legal system; Gaps in the law and antinomies.
The “positivistic” dogma asserting that legal systems are gapless sets of norms, providing for any possible case
whatsoever. Gap-filling techniques and theories of legal interpretation.
Kelsen's theory on validity of norms. Alf Ross theory on validity.
Legal reasoning