TY JOUR TI Legal Consciousness in Light of Categories of Certainty and Uncertainty KW Understanding of law KW essence of law KW principles of scientific knowledge KW certainty KW uncertainty KW integrative legal thinking KW natural law school KW legal positivism KW libertarian understanding of law. JO Journal of Russian Law AU Vlasyenko, N.A. PY 2014 IS 2 PB Legal publishing house Norm