This text proposes a generic epistemology, relatively independent of any discipline, with the aim of understanding newly emerging scientific objects and disciplines, as well as new logics of interdisciplinarity. This epistemology is also relatively independent of the present, requiring a thinking of the future as something other than the realization of the present ; somewhat like that suggested by the practice of scenario planning. It does not supplant “disciplinary; epistemology, but seeks to demonstrate, through their simultaneous exercise, the passage from a critical to a fictional paradigm, where disciplines are decentred and philosophies immersed in the sciences ; not the “established; sciences we know from descriptions constructed along the lines of classical disciplines, but emergent or future sciences, for which the intention of the researcher is constitutive. The question is no longer that of the criteria of scientificity, but that of the identity of science.