| Abstract: | Praxiology, the so-called science of efficient action, is a French-Polish contribution to systemism. The French chapter of praxiology belongs to its prehistory, while the classical praxiology of the 20th century has been originated and developed by Polish philospher Tadeusz Kotarbinski (1886-1981), a member of well known Lvov-Warsaw school of philosophy and logic. The paper is dedicated to the 100th anniversary of Tadeusz Kotarbithski's birthday. In the article a new chapter of praxiological studies, i.e., science of efficient action preparation, called preparatorics, is introduced. The sub-discipline is considered as praxiological response to the growing importance of pre-actions in general and meta-actions, like decision-making, designing, planning, and other practical problem solving activities, in particular. |
