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Lack and Desire
The term "lack" is always related, in Lacan's teaching, to desire. It is a lack which causes desire to arise.<ref>Lacan, Jacques. Le Séminaire. Livre VIII. Le transfert, 1960-61. Ed. Jacques-Alain Miller. Paris: Seuil, 1991. p. 139</ref> However, the precise nature of what is lacking varies over the course of Lacan's work.
Lack of Being
Desire is a relation of being to lack. The lack is the lack of being properly speaking. It isn't the lack of this or that, but lack of being whereby the being exists."<ref>Lacan, Jacques. The Seminar. Book II. The Ego in Freud's Theory and in the Technique of Psychoanalysis, 1954-55. Trans. Sylvana Tomaselli. New York: Nortion; Cambridge: Cambridge Unviersity Press, 1988. p. 223</ref>
Lacan returns to this theme in 1958, when he argues that desire is the metonymy of the lack of being (manque à être).<ref>Lacan, Jacques. Écrits: A Selection. Trans. Alan Sheridan. London: Tavistock Publications, 1977. p. 259; translated by Sheridan as "want-to-be"</ref> The subject's lack of being is "the heart of the analytic experience" and "the very field in which the neurotic's passion is deployed.<ref>Lacan, Jacques. Écrits: A Selection. Trans. Alan Sheridan. London: Tavistock Publications, 1977. p. 251</ref> Lacan contrasts the lack of being, which relates to desire, with the lack of having (manque à avoir), which relates to demand.<ref>Lacan, Jacques. Écrits. Paris: Seuil, 1966. p. 730</ref>
Lack of an Object
In 1956, lack comes to designate the lack of an object. Lacan distinguishes between three kinds of lack, according to the nature of the object which is lacking, as shown in the figure below.<ref>Lacan, Jacques. Le Séminaire. Livre IV. La relation d'objet, 19566-57. Ed. Jacques-Alain Miller. Paris: Seuil, 1991. p. 269</ref>
|Real father||Symbolic castration||Imaginary phallus|
|Symbolic mother||Imaginary frustration||Real breast|
|Imaginary father||Real privation||Symbolic phallus|
In 1957, when Lacan introduces the algebraic symbol for the barred Other (
A), lack comes to designate the lack of a signifier in the Other. Lacan introduces the symbol S( A) to designate "the signifier of a lack in the Other." No matter how many signifiers one adds to the signifying chain, the chain is always incomplete; it always lacks the signifier that could complete it. This "missing signifier" (written -1 in Lacanian algebra) is constitutive of the subject.