But we cannot do without the concept of the sign, for we cannot give up this metaphysical complicity without also giving up the critique we are directing against this complicity, or without the risk of erasing difference in the self identity of a signified reducing its signifier into itself or, amounting to the same thing, simply expelling its signifier outside itself For there are two heterogenous ways of erasing critique of self presence, that is, the critique of consciousness, of the more radically, the Heideggerean destruction of metaphysics, of onto theology, of the determination of Being as presence.