The triumph of the socialist revolution in Russia, the fiftieth anniversary of which the Soviet people are marking this year, the building of socialism in the USSR, and the coming into being of a world socialist system eliminated the ideological monopoly theretofore enjoyed by exploitative society in the contemporary world. For the first time in human history, an ideology of the toiling masses has extensively taken root in a number of countries. This has meant a narrowing of the sphere in (...) which bourgeois ideology is dominant, and could not fail to have a bearing upon all the forms of social consciousness in the capitalist world, including philosophy. (shrink)

Prof. R. W. Sellars' article "Three Levels of Materialism," published in the present number of our journal, marks an important stage in the philosophical development of the noted American philosopher. In it he gives something in the nature of a summation of his views on one of the most important problems in the theory of knowledge—that of perception—to which Sellars has devoted many years of work and quite a number of articles.