books.google.com - Praxiology is like the prose of Moliere's The Prodigious Snob: everybody uses it but few can define it. That task fell to the famous Polish philosopher and logician, Tadeusz Kotarbinski. He noted that praxiology deals with doing and working from the point of view of effectiveness. It has three components:...http://books.google.com/books/about/Praxiologies_and_the_Philosophy_of_Econo.html?id=d0XZs8DRQKAC&utm_source=gb-gplus-sharePraxiologies and the Philosophy of Economics