Abstract
This documentary study presents, from the philosophy of science, an analysis of the different constructions and deconstructions of the categories: paradigm, modernity and post-modernity. To achieve this objective different authors' ideas and visions were studied. It is concluded that its uses will always be conditioned to and in accordance with the different periods oftime in life and history; so they will be attached to reinterpretations of the changing dynamic society, thus generating new knowledge.
