By this means, the different positivities formed by History and laid down in it are able to enter into contact with one another, surround one another in the form of knowledge, and free the content dormant within them; it is not, then, the limits themselves that appear, in their absolute rigour, but partial totalities, totalities that turn out to be limited by fact, totalities whose frontiers can be made to move, up to a certain point, but which will never extend into the space of a definitive analysis, and will never raise themselves to the status of absolute totality.