rules which bring into existence what they decree, to speak with authority, to pre-diet in the sense of calling into being, by an enforceable saying, what one says, of making the future that one utters come into being.2 The
Nobody would want to claim today that there exist criteria capable of founding ‘natural’ classifications on ‘natural’ regions, separated by ‘natural’ frontiers. The frontier is never anything other than the product of a division which can be said to be more or less based on ‘reality’, depending on whether the elements it assembles show more or less numerous and more or less striking resemblances among themselves (given that it will always be possible to argue over the limits of variations between non-identical elements that taxonomy treats as similar). Everyone agrees that ‘regions' divided up according to the different conceivable criteria (language, habitat, cultural forms, etc.) never coincide perfectly. But that is not all: ‘reality’, in this case, is social through and through and the most ‘natural’ classifications are based on characteristics which are not in the slightest respect natural and which are to a great extent the product of an arbitrary imposition, in other words, of a previous state of the relations of power in the field of struggle over legitimate delimitation. The frontier, that product of a legal act of delimitation, produces cultural difference as much as it is produced by it: one need only consider the role of the educational system in the development of language to see that political will can undo what history had done.4 Thus the science which claims to put forward the criteria that
are the most well founded in reality would he well advised to remember that it is merely recording a