The rejection of the myth of foundations. . To establish a radical political discourse. Laclau tries to redefine the categories, such as common sense and tradition, which we take it for granted. A. Society can then be understood as a vast argumentative texture through which people construct their own identity. Argument and discourse constitute the social, their open-ended character becomes the source of a greater activism and a more radical libertarianism.
Social agents are never 'humans' in general.
In this sense, lack of grounding does not abolish the meaning of human beings' acts, it only affirms their limits, their finitude, and their historicity. The degree of fixity of a signifier varies in inverse proportion to the extent of its circulation in a given discursive formation. A signifier is emptied when it is disengaged from a particular signified and comes to symbolize a long chain of equivalent signifieds. It is unified or totalized. It suffices to posit an egalitarian logic whose limits of operation are given by the concrete argumentative practices existing in a society.