hitherto accorded to the name, and the new importance of systems of inﬂection; or, another example, the subordination of character to function in living beings); it will analyse the alteration of the empirical entities which inhabit the positivities (the substitution of languages for discourse, of production for wealth); it will study the displacement of the positivities each in relation to the others (for example, the new relation between biology, the sciences of language, and economics); lastly, and above all, it will show that the general area of knowledge is no longer that of identities and differences