On the basis of Eugen Fink’s insistence that the true contribution of Kant’s transcendental dialectic is that its treatment of the problem of totality reveals the concept ‘totum’ to be a masking of the nothing, our aim is to highlight that the theory of sexual relation introduced by Lacan in his Seminar Encore –and in general his turn to the real from the 1960 onwards– presents a group of features that make clear its Kantian affiliation. The particular analysis of the (...) logic of illusion contained in Lacan’s formulas of sexuation entail the exposure of three nothings: the impossibility of the sexual relation, the non-existence of The woman, and the absence of the Other of the Other. (shrink)