Introduction to Logic: and to the Methodology of Deductive Sciences

First published in Polish in 1936, this classic work was originally written as a popular scientific book — one that would present to the educated lay reader a clear picture of certain powerful trends of thought in modern logic. According to the author, these trends sought to create a unified conceptual apparatus as a common basis for the whole of human knowledge.
Because these new developments in logical thought tended to perfect and sharpen the deductive method, an indispensable tool in man...