Recognizing inherent and inalienable nature of dignity and universality of certain values, the Constitution of the Republic of Poland, introduces to the foundations of Polish legal system some elements of natural law which may be used for application of the Basic Law. Constitutional recognition of these elements only makes sense on the assumption of their cognizability. Therefore, as an important element of constitutional concept of natural law is taken the recognition of the argument of cognitivism according to which moral assessments may have the nature of judgments and truth qualification (they may be true or false). In the course of application of the constitution, norms of natural-law character and natural-law justification. ...