KLASYCZNA FILOZOFIA PRAWDY A KONCEPCJA WIEDZY OBIEKTYWNEJ KARLA R. POPPERA
CLASSICAL PHILOSOPHY OF TRUTH AND KARL POPPER’S CONCEPTION OF OBJECTIVE KNOWLEDGE

Summary/Abstract: The paper has two parts. The first part treats of the truth’s conception of classical Christian philosophy of saint Augustin and saint Thomas Aquinas. They give the definition of truth as adaequatio of human intellectual judments and things. The wrong interpretations of truth are consequence disregard’s of truth’s one elements: object of knowledge – things (philosophical idealism) or subject of knowledge – activity of mind (epistemological sensualism). According to the classical philosophy truth is not only objectiv but also constant and universal. The fallowers of Marxism, liberalism and postmodernism accept epistemological and axiological relativism. The second part of paper explains Karl Popper’s conception objectiv knowledge. He rejects epistemo- logy of neopositivism and extreme rationalism, but suggests supercritical theory of objective knowledge. He also proposes the method of tests and mistakes in the scientific search of truth. Popper distinguishs theree parts of world: physical things, human’s consciousness and objective ideas/values. The objective knowledge is possible only in the last world, but she is not certain.

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