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The Seminar of Jacques Lacan, Book II: The Ego in Freud's Theory and in the Technique of Psychoanalysis

Jacques Lacan

by Jacques Lacan

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Synopsis

Lacan's Seminar II (1954–1955), titled "The Ego in Freud's Theory and in the Technique of Psychoanalysis," prosecutes a sustained argument against the ego-psychological appropriation of Freud by demonstrating that the ego is an imaginary function, not the centre of psychic life, and that the properly Freudian subject is decentred, ex-centric to consciousness and the individual organism. Taking as its guiding thread Freud's post-1920 metapsychology—especially Beyond the Pleasure Principle, the Project for a Scientific Psychology, and The Interpretation of Dreams—the seminar moves through three major arcs: first, an account of the ego's imaginary constitution via the mirror stage and narcissism; second, a detailed commentary on Freud's successive schemata of the psychic apparatus culminating in an extended reading of the Irma dream; and third, a transition from the imaginary intersubjectivity of the little other (a) to the symbolic order of the big Other (A), grounded in cybernetics, information theory, Poe's "The Purloined Letter," and Molière's Amphitryon. Throughout, Lacan argues that the compulsion to repeat—the Wiederholungszwang, which he re-translates as "insistence" rather than "automatism"—is not a biological regress but the insistence of the symbolic chain, and that the death drive names nothing other than the pressure of the Symbolic order demanding realisation. The seminar concludes that analysis is an experience of signification in which the subject discovers not a biological truth but the signification of its lot within a received, pre-given symbolic speech—a speech that was already there before it arrived.

Distinctive contribution

Seminar II occupies a singular place in the Lacanian corpus as the seminar in which the three registers—Imaginary, Symbolic, Real—are for the first time systematically deployed together as a conceptual triad, and in which the opposition between the "little other" (a, the specular other of the ego) and the "big Other" (A, the locus of the symbolic order and of genuine alterity) is given its canonical form through the Z-schema (A.m.a.S). No other seminar—not even Seminar I or Seminar XI—provides quite this dense triangulation of the Freudian Entwurf, the theory of dreams, the mirror stage, and cybernetics in a single arc. The extended commentary on Freud's schemata of the psychic apparatus (from the Project through the Traumdeutung) is unique in the published seminars: nowhere else does Lacan conduct so granular a reading of the topographical paradoxes of the omega/phi systems, using those paradoxes to show that regression is not a primary datum but a forced construction, and that the proper response to the imaginary figurability of dreams is not a genetic account but the symbolic-imaginary distinction itself.

The seminar is also the locus classicus for Lacan's anti-humanist reading of Freud's death drive. Where ego-psychology (Hartmann, Loewenstein, Erikson) domesticates repetition into adaptation and the death drive into a remnant of biology, Lacan insists—through Hyppolite's commentary on Hegel, through cybernetics, and through his reading of Poe—that the death drive names the insistence of the signifier: the pressure of the Symbolic to realise itself, which is also the irreducible gap between any ego and the subject of the unconscious. This argument, worked out at length in dialogue with Hyppolite, Merleau-Ponty, Lévi-Strauss, and the mathematical logician Riguet, gives the seminar an interdisciplinary texture found nowhere else in the corpus: it is simultaneously a reading of Freud's texts, a critique of contemporary analytic technique, a philosophy of science, and a theory of language—all held together by the question "Is psychoanalysis a humanism?"

Main themes

  • The ego as imaginary function and its critique of ego-psychology (Hartmann, Erikson)
  • The decentring of the subject from the individual: the subject is ex-centric to the ego and to consciousness
  • The compulsion to repeat as the insistence of the symbolic chain, not biological inertia
  • The death drive as the mask of the unrealised Symbolic order
  • The transition from imaginary intersubjectivity (little other, a) to the symbolic big Other (A), formalised in the Z-schema
  • Cybernetics, information theory, and the machine as models for the symbolic combinatory
  • Freud's schemata of the psychic apparatus from the Entwurf to the Traumdeutung: paradoxes of perception and consciousness
  • The Irma dream as the inaugural staging of the unconscious subject beyond the ego
  • The Purloined Letter and the thesis that a letter (signifier) always reaches its destination
  • The symbolic constitution of marriage, conjugal fidelity, and the Name-of-the-Father via Molière's Amphitryon

Chapter outline

  • I. Psychology and metapsychology — p.3-11
  • II. Knowledge, truth, opinion — p.13-35
  • III. The symbolic universe — p.27-39
  • IV. A materialist definition of the phenomenon of consciousness — p.40-52
  • V. Homeostasis and insistence — p.53-63
  • VI. Freud, Hegel and the machine — p.64-76
  • VII. The circuit — p.77-92
  • VIII. Introduction to the Entwurf — p.93-101
  • IX. Play of writings — p.102-113
  • X. From the Entwurf to the Traumdeutung — p.114-122
  • XI. Censorship is not resistance — p.123-133
  • XII. The difficulties of regression — p.134-144
  • XIII–XIV. The dream of Irma's injection (and conclusion) — p.146-182
  • XV. Odd or even? Beyond intersubjectivity — p.175-205
  • XVI. The Purloined Letter — p.191-205
  • XVII. Some questions for the teacher — p.206-229
  • XVIII. Desire, life and death; Introduction of the big Other; Objectified analysis; Sosie; Where is speech? Where is language? — p.230-299
  • XXIII. Psychoanalysis and cybernetics, or on the nature of language (A, m, a, S) — p.301-333

Chapter summaries

I. Psychology and metapsychology (p.3-11)

This opening chapter stakes out the entire seminar's polemical terrain. Lacan begins from the observation that the ego has been theorised across centuries of philosophy and 'communal consciousness,' and that this pre-analytical notion continues to exert a gravitational pull—what he calls 'subduction' or 'subversion'—on the Freudian theoretical revolution. His central thesis is that Freud's contribution was precisely to decentre the subject from the individual: 'the subject is ex-centric to the individual,' and 'I is an other.' This Copernican revolution, Lacan argues, was immediately betrayed by analytic culture after 1920, which welcomed the new metapsychology as a return of 'our nice little ego' and proceeded to re-absorb analysis into general psychology—exemplified in Hartmann's doctrine of the 'autonomous ego.'

The chapter mounts a dual argument: theoretical and clinical. Theoretically, the equation ego = consciousness is not a Freudian axiom but a historical contingency tied to a particular moment in the history of philosophy. Practically, the analytic technique has been 'realigned' by this confusion, producing a complicity between analysis and 'the fundamental illusion of man's experience.' Lacan invokes the Copernican metaphor explicitly: just as heliocentrism removed man from the centre of the cosmos, so Freud removed the ego from the centre of subjectivity. The 'crisis of 1920'—when Freud felt compelled to introduce Beyond the Pleasure Principle and Group Psychology—is read as Freud's own counter-attack against the drift toward ego-centrism, a counter-attack immediately misread by his followers as legitimating the autonomous ego.

Key concepts: Ego, Subject, Decentring of the subject, Ego Psychology, Consciousness, Imaginary Notable examples: Hartmann's doctrine of the autonomous ego; Freud's post-1920 metapsychology

II. Knowledge, truth, opinion (p.13-35)

This chapter develops the epistemological stakes of the seminar through a meditation on the relation between symbolic invention, truth, and knowledge. The discussion takes off from a dialogue with Hyppolite about Plato's Meno and the slave-boy demonstration of √2, which Lacan reads as a paradigm of the retroactive logic of symbolic invention: once a symbol is created, it generates its own past, appearing as an eternal truth that was always already there. This is not the medieval notion of pre-existent truth but a genuinely historical dynamic: 'in all knowledge once constituted there is a dimension of error, which is the forgetting of the creative function of truth in its nascent form.'

For analysis, this has an immediate practical consequence: the analyst, unlike other practitioners of constituted knowledge, cannot afford to forget that analytic knowledge operates 'in the dimension of truth in its nascent state.' The transmission of pre-digested analytic concepts (sadistic stage, anal stage, and so on) risks precisely this forgetting. Lacan then pivots to Lévi-Strauss's lecture on kinship versus the family, using the structural universality of the incest prohibition to distinguish between the generic (biological/natural) and the universal (symbolic): the Oedipus complex is 'both universal and contingent because it is uniquely and purely symbolic.' The chapter closes with a prospectus: the ego's relation to the pleasure principle will be understood through the triad Symbolic/Imaginary/Real, and the ego in its most essential aspect is an imaginary function.

Key concepts: Symbolic, Imaginary, Real, Signification, Repetition, Language Notable examples: Plato, Meno (slave-boy and √2); Lévi-Strauss lecture on kinship; Oedipus complex as symbolic-universal

III. The symbolic universe (p.27-39)

Opening the section 'Beyond the Pleasure Principle, Repetition,' this chapter crystallises the distinction between the natural-imaginary and the symbolic. Against Merleau-Ponty's gestaltism (in the background) and against any philosophy that reduces human experience to a pre-established harmony with the environment, Lacan insists that the symbolic universe is irreducible to any naturalistic schema. The machine is introduced—not the clock alone but the calculating machine—as the model that makes this distinction tractable: the machine embodies a purely symbolic register, operating through absence/presence, plus/minus, without any recourse to lived Gestalt.

Lacan uses the machine-tortoise analogues and the photoelectric cell model to de-idolise the subject: the subject, at a certain stage, is 'no one,' decomposed and fragmented, seized by the specular image of the other. It is from this imaginary capture that the symbolic emerges as a distinct register. The chapter also introduces the Freudian dualism (Eros/death drive) in the context of the machine: just as the industrial machine forced upon Hegel's anthropology the concept of energy, so the modern calculating machine forces upon psychoanalysis the concept of the symbolic combinatory. The 'natural imaginary' (Gestalt captation in animals and man) is set against the 'symbolic universe' (system of conventions generating universals), a distinction that will govern the rest of the seminar.

Key concepts: Symbolic Order, Imaginary Order, Automaton, Pleasure Principle, Death Drive, Identification Notable examples: Machine-tortoise model; Lévi-Strauss on the incest prohibition; Calculating machine as memory model

IV. A materialist definition of the phenomenon of consciousness (p.40-52)

This chapter attempts to displace consciousness from its privileged position by means of a 'materialist definition' rooted in the dialectic of the mirror stage. Lacan's argument is that consciousness is not self-transparent or foundational but is always bound up with an imaginary structure: the ego finds its unity in the reflected image of the other, not in any inner self-presence. The paralytic-and-blind-man image and the snake-and-bird image of fascination are introduced to make this concrete: the subject identifies with its ego in a 'fascinated fashion,' in a 'fundamental immobility' that corresponds to the gaze of the blind image carrying it.

The chapter develops the claim that 'the fundamental, central structure of our experience really belongs to the imaginary order'—but this imaginary is different in man from what it is in animals, because in man it is cut across by the symbolic. Freud's difficulty in localising consciousness in his energetic schemata (it appears neither at the input nor the output end without paradox) is presented not as a confusion to be resolved but as the symptom of the unlocalisability of consciousness within any purely biological framework: consciousness is structurally outside the libidinal economy. This sets up the central question of the seminar—where is the subject of the unconscious, if not in consciousness or the ego?—and introduces the mechanistic model of the machine-tortoise as a non-idolatrous figure for the subject's constitution.

Key concepts: Mirror Stage, Ego, Imaginary, Consciousness, Fascination, Identification Notable examples: Mirror stage dialectic; Blind man and paralytic image; Machine-tortoise model

V. Homeostasis and insistence (p.53-63)

This chapter introduces the conceptual opposition that will carry the entire second half of the seminar: between the restitutive function of the pleasure principle (homeostasis) and the repetitive function of the Wiederholungszwang (insistence). Lacan uses information theory—Shannon and the Bell Telephone Company's project of quantifying communication—to reframe the pleasure principle as a principle of cessation, the tendency of a system to reduce excitation to zero (Nirvana principle). This is not Freud's pleasure principle in its colloquial sense but something closer to entropy.

Against this homeostatic principle, Lacan poses human repetition: the subject reproduces experiences indefinitely, in fantasy, in behaviour, in character, with a tenacity that cannot be explained by the satisfaction of a need or the restoration of an equilibrium. What principle governs this? Lacan refuses to name it prematurely, leaving it as a question: 'Is it assimilable, reducible, symbolisable? Is it something? Or can it neither be named, nor grasped, but only structured?' This question—posed at the end of the chapter—announces the turn toward the Real as that which escapes symbolisation, and prepares the long arc of the seminar toward the death drive as the insistence of the symbolic chain.

Key concepts: Pleasure Principle, Repetition, Death Drive, Automaton, Symbolic, Real Notable examples: Bell Telephone information theory; Shannon entropy; Kierkegaard's Repetition (alluded to)

VI. Freud, Hegel and the machine (p.64-76)

This chapter is the philosophico-historical centrepiece of the seminar, presenting Lacan's argument that psychoanalysis is emphatically not a humanism. Through a sustained dialogue with Hyppolite on Hegel, Lacan argues that Hegel's phenomenology represents the culmination of classical anthropology—the identification of man with his accumulated knowledge, the ideal of 'elaborated mastery'—and that Freud's death drive breaks decisively with this framework. Where Hegel ends in a reciprocal alienation between master and slave that can in principle be overcome through recognition, Freud establishes that 'man isn't entirely in man': there is a dimension of the subject—the unconscious, the death drive—that cannot be brought within the register of recognition or of Hegelian Aufhebung.

Lacan traces the historical mediation of this rupture through the machine: the clock (Huygens's pendulum), which embodies 'the measure of time' independently of any human observer, is the paradigm of the symbolic register insofar as it operates whether man is there or not. The industrial advent of the machine, Lacan argues, is what makes possible both Freud's energetic vocabulary (borrowed from thermodynamics) and the idea that the symbolic order precedes and exceeds any individual subject. The death instinct, in this reading, is not a biological regression or an abdication of reason but the name for the fact that the symbolic chain, once constituted, insists and repeats with a logic indifferent to the organism's pleasure—a logic the pleasure principle cannot domesticate. The chapter closes with Hyppolite's suggestion that there are 'two Freuds': the rationalist-humanist who wants to cure men, and the deeper, anti-humanist thinker of the death drive. Lacan endorses the second.

Key concepts: Death Drive, Symbolic, Ego Psychology, Beyond, Alienation, Dialectics Notable examples: Hegel, Phenomenology of Spirit; Clock/pendulum as symbolic machine; Freud, Beyond the Pleasure Principle

VII. The circuit (p.77-92)

This chapter conducts a critical engagement with Merleau-Ponty's lecture 'Philosophy and Psychoanalysis,' using it as a foil to sharpen the distinction between gestaltist understanding and the properly analytic experience. Lacan identifies Merleau-Ponty's core presupposition as the 'good form'—the assumption that reality is accessible to an instantaneous, contemplative apprehension grounded in perceptual unity—and argues that this presupposition cannot account for the analytic experience of repetition, symptomatic insistence, and the subject's failure to recognise itself.

The chapter then introduces the cybernetic-informational circuit as a more adequate model. Lacan describes how the Bell Telephone Company's quantification of communication (Shannon's information theory) produced the first scientific concept of 'noise'—the tendency of communication to cease being communication—and argues that this concept of entropy is essential for understanding the pleasure principle as a tendency toward silence, cessation, and equilibrium. The chapter then moves to the distinction between reminiscence (the dyadic, Platonic model of recovering a pre-existing harmony) and repetition (the path that must pass through failure, fixation, and the 'wrong form'). Using Kierkegaard's Repetition as a literary parallel, Lacan argues that human progress—including analytic progress—must take the path of repetition, not reminiscence, because man's relation to his object is always mediated by the symbolic and can never be immediately recovered.

Key concepts: Repetition, Pleasure Principle, Imaginary, Symbolic, Beyond, Language Notable examples: Merleau-Ponty, 'Philosophy and Psychoanalysis' lecture; Shannon/Bell Telephone information theory; Kierkegaard, Repetition

VIII. Introduction to the Entwurf (p.93-101)

Opening the section on 'The Freudian Schemata of the Psychic Apparatus,' this chapter introduces Freud's Project for a Scientific Psychology (1895) as a text that should be read according to the same principles of interpretation that Freud himself deploys: any text should be read by the rules it itself establishes. The chapter begins with an extended quotation from 'Instincts and their Vicissitudes' (1915) on the necessarily provisional character of scientific basic concepts—Lacan uses this to position Freud as a philosopher of science of the highest order, and to immunise the reading against both literalism and dismissal.

The chapter then turns to the problem of object relations and psychosomatic phenomena (prompted by Perrier's seminar contribution), distinguishing between organs caught in the narcissistic imaginary relation (eye, musculature) and the auto-erotic investments of the organism's interior. The key theoretical move is the assertion that 'the real is without fissure': there is no split within the real itself, no pre-given correspondence between organism and Umwelt. It is only via the symbolic go-between that the real becomes accessible to the subject—a claim that grounds the entire subsequent reading of the Entwurf. Repetition is introduced as the structural condition for the constitution of the human object-world: only through the symbolic order, not through any natural coupling, does the subject constitute an object.

Key concepts: Real, Symbolic, Narcissism, Repetition, Pleasure Principle, Ego Notable examples: Freud, Project for a Scientific Psychology; Freud, 'Instincts and their Vicissitudes'; Von Frisch bee-communication (critiqued)

IX. Play of writings (p.102-113)

This chapter works through Freud's first and second schemata of the psychic apparatus—from the Entwurf to the Traumdeutung—tracking how the introduction of the consciousness system creates an internal paradox: perception and consciousness, which should be aspects of a single function, end up at opposite ends of the directed psychic apparatus, dissociated and topographically separated. Lacan argues that this paradox is not an accidental error but is generated by the requirements of the model itself, and that it forces Freud to introduce the hypothesis of regression to account for the imagistic character of the dream.

The chapter also stages Lacan's critique of the 'understanding' (Verstehen) model of analysis—exemplified by Merleau-Ponty's gestaltist presuppositions—as inadequate to the analytic experience. Lacan's reading of psychosis in children (via Lang's seminar contribution) is used to underscore the point: the psychotic process is not simply a failure to understand but a structural disorder in the relation between the imaginary and the symbolic. The primary process—hallucination—is shown to be the foundational mode of operation of the psychic apparatus as Freud conceives it in the Entwurf: all stimuli tend to produce hallucinations, and consciousness/reality-testing is a secondary, paradoxical apparatus superimposed to correct them. The concept of the memory-trace (engram/facilitation/Bahnung) is examined and found inadequate without the introduction of the imaginary: memory is not simply a succession of facilitations but requires an image.

Key concepts: Unconscious, Repression, Consciousness, Imaginary, Symbolic, Symptom Notable examples: Freud, Project for a Scientific Psychology (Entwurf); Freud, Interpretation of Dreams (Chapter VII); Lang's seminar on psychosis in children

X. From the Entwurf to the Traumdeutung (p.114-122)

This chapter traces the path from the neurological-energetic model of the Project to the topographical model of The Interpretation of Dreams, focusing on the problem of how entropy, memory, and regression interconnect. Lacan opens with a methodological point: one should read Freud's texts according to the principles Freud himself recommends, as one reads Spinoza through his own rules for the reform of the understanding. He then discusses Bernfeld and Feitelberg's literalist attempt to find empirical evidence for the entropy/death drive thesis in brain and rectal temperatures—which Lacan treats as an object lesson in what happens when theoretical metaphors are taken literally.

The central argument concerns Freud's use of the concept of entropy not as a physical fact but as a theoretical analogy: what Freud is investigating is whether there is a dimension of human behaviour analogous to physical entropy, a tendency toward dissolution and the zero-level of excitation. Lacan argues that this analogy is productive precisely because it forces the question of the relation between the energetic register (quantities, discharge, constancy) and the symbolic register (signification, desire, speech). The optical schema from Seminar I reappears here, used to show how the perception-consciousness system is properly located at the junction of the imaginary and the real—not at either extreme of the energetic apparatus. The chapter also introduces the 'conversation with Fliess' as a paradigm of unconscious communication: the 'full significance of meaning' in the Freud-Fliess dialogue infinitely surpasses what either interlocutor consciously manipulates.

Key concepts: Unconscious, Repression, Ego, Beyond, Pleasure Principle, Signification Notable examples: Freud-Fliess correspondence; Bernfeld and Feitelberg on entropy; Freud, Beyond the Pleasure Principle

XI. Censorship is not resistance (p.123-133)

This chapter draws a fundamental theoretical distinction that will govern much of the subsequent seminar: censorship is not the same as resistance, and the failure to distinguish them is symptomatic of the ego-psychological reduction of analysis. Resistance, Lacan argues, is everything that opposes the work of analysis in a general sense—and its seat is the ego. Censorship, by contrast, is a 'special qualification of resistance' that must be understood at the level of discourse itself, not at the level of the subject's psychology.

Lacan illustrates this through the 'King of England is an idiot' apologue: any law that forbids saying a certain thing does not merely prohibit that proposition but puts into suspension everything in the discourse that is 'of a piece' with the forbidden content—and it does so not because any individual wills it but because no one can fully master the law of discourse in its entirety. Censorship is thus a structural feature of the symbolic order, not a psychological mechanism of the individual ego. The analyst is in a position of structural impossibility: censorship operates at the level of discourse before any subject can resist or comply. This reading of censorship as discursive rather than psychological is Lacan's most important theoretical intervention in the chapter, and it directly grounds his critique of the equation resistance = censorship that had come to dominate analytic technique.

Key concepts: Repression, Symbolic Order, Language, Ego, Symptom, Subject Notable examples: 'King of England is an idiot' apologue; Freud, Interpretation of Dreams Chapter VII; Triode valve schema

XII. The difficulties of regression (p.134-144)

This chapter returns to the seventh chapter of The Interpretation of Dreams to examine the concept of topographical regression, arguing that it is not a primary theoretical datum but a forced construction imposed by the paradoxes of Freud's own schema. The dissociation of perception and consciousness at opposite ends of the psychic apparatus—a consequence of the schema's architecture, not of any independent observation—obliges Freud to posit a backward flow (regression) to account for the visual, imagistic character of the dream. Lacan's thesis is that a more adequate schema, one that already incorporated the distinction between the imaginary and the symbolic, would render this topographical regression unnecessary.

The chapter also addresses the question of the subject in analysis: 'Who is the subject?' is not a question with a simple answer, since the patient is not a univocal given nor is the analyst simply a sum of individual characteristics. The subject is reflected, refracted, signalled across the analytic relation without ever being directly graspable. The chapter closes by introducing the regulatory function of the ego in the Entwurf: the ego is a device for lowering the level of facilitated excitations so that the reality-test can distinguish hallucination from perception. But this regulatory ego is itself produced by the system—it is not a pre-given agent but an artifact of the apparatus's attempt to manage the primary process.

Key concepts: Ego, Unconscious, Repression, Imaginary, Symbolic, Splitting of the Subject Notable examples: Freud, Interpretation of Dreams Chapter VII; Freud, Project for a Scientific Psychology; Janet's 'double personality'

XIII–XIV. The dream of Irma's injection (and conclusion) (p.146-182)

These two chapters constitute the interpretive centrepiece of the seminar, developing Lacan's reading of Freud's inaugural dream as a staging of the unconscious structure of speech beyond the ego. Lacan argues that Freud's own account of the dream—as the fulfilment of a desire to be relieved of responsibility for Irma's treatment—operates at the preconscious rather than the unconscious level, and that Freud himself knows this but proceeds anyway because the dream demonstrates something deeper: the point at which the ego's constructions dissolve and the subject confronts an 'ultimate quod,' a terrifying real beneath the imaginary scene. The vision of Irma's open mouth and the turbinated bones—the flesh, the formlessness—is read as the moment at which anxiety erupts as the Real, the Medusa's head, that which cannot be integrated into any imaginary unity.

The three male figures in the dream (Dr M., Otto, Leopold) are read as so many imaginary identifications through which the ego is formed and through which the subject disperses responsibility—an illustration of the ego as a series of imaginary loci rather than a centre. The formula for trimethylamine that appears at the dream's climax is for Lacan the paradigm of the symbolic: a pure word, a letter, a combinatory element that 'speaks itself' through and beyond any individual subject. This formula gives the dream its character as the inaugural scene of the unconscious, and allows Lacan to pivot toward the death drive: what speaks through the subject in the dream is 'this voice which speaks in me, beyond me'—the unconscious as a subject beyond the ego—and it is precisely this 'beyond of homeostasis' that requires the death drive as a theoretical concept. The chapters also develop the thesis that the subject in analysis, like Freud analysing his own dream, is 'addressing us': the unconscious discourse is not private but already directed toward a community of others.

Key concepts: Unconscious, Death Drive, Imaginary, Symbolic, Real, Subject Notable examples: Freud's Irma dream; Wolfman dream (analogised); Trimethylamine formula; Poe allusion (Purloined Letter, anticipated)

XV. Odd or even? Beyond intersubjectivity (p.175-205)

This chapter opens the third major section of the seminar ('Beyond the Imaginary, the Symbolic, or from the Little to the Big Other') by staging the passage from imaginary intersubjectivity to the symbolic order through the game of even and odd drawn from Poe's 'The Purloined Letter.' Lacan analyses the game through three 'moments' (temps): in the first, the subject mirrors the other (ego-mirroring); in the second, the subject takes a position 'above' the immediate identification; in the third, a further oscillation returns one to the first position. This infinite regress demonstrates that on the plane of imaginary intersubjectivity—the dual relation of ego and specular other—logical reasoning cannot be stably founded. No matter how many 'times' of identification are added, the game returns to its starting point.

The solution Lacan proposes is the introduction of the symbolic machine: when a subject plays against a machine rather than an imaginary alter ego, the oscillation of identification is replaced by the combinatory of signifiers. Lacan then uses Freud's own 'random number' experiment (demonstrating that subjective attempts at randomness reveal an underlying compulsion to repeat) to show that the unconscious is itself a symbolic machine where chance does not exist. The machine's retroactive effect—its ability to alter what 'went before' through the Nachträglichkeit of symbolic memory—is distinguished from biological memory (a property of living substance). The chapter closes by introducing Poe's 'Purloined Letter' as the exemplary case of the symbolic subject: whoever possesses the letter is structurally feminised, and a letter always reaches its destination because subjects are defined by their positions in the symbolic chain, not by their psychological qualities.

Key concepts: Symbolic, Imaginary, Automaton, Signifier, Repetition, The big Other Notable examples: Poe, 'The Purloined Letter'; Poe, 'The Purloined Letter' game of even and odd; Freud's random number experiment

XVI. The Purloined Letter (p.191-205)

This chapter takes Poe's tale as its central object, reading it as a demonstration that the symbolic chain constitutes subjects rather than being constituted by them. The letter (signifier) exists only in the dimension of truth, not of reality: the police cannot find it because they believe only in the real (force, brute location) and do not understand that what is hidden can only be hidden in the dimension of truth. Dupin, who 'thinks symbolically,' can locate the letter because he operates in the symbolic register. The letter is 'synonymous with the original, radical subject': it is the signifier in its pure state, which one cannot touch without immediately being caught in its play.

Lacan argues that possession of the letter structurally transforms its holder: each character in the successive scenes becomes 'functionally different in relation to the essential reality' the letter constitutes, and 'for each of them the letter is his unconscious.' The royal couple—symbol of the fundamental social pact between male and female elements, mediating between the cosmos and the social order—is the locus of the scandal: the threat to the conjugal pact is the threat to the entire symbolic fabric. This reading anticipates Lacan's 'Seminar on The Purloined Letter' (published in Écrits) but differs in being embedded within a broader argument about the symbolic order as the proper ground for intersubjective logic, in contrast to the imaginary mirror-play of the game of even and odd.

Key concepts: Signifier, Symbolic Order, Subject, The big Other, Symbolic, Language Notable examples: Poe, 'The Purloined Letter'; Royal couple as symbol of fundamental pact; Trimethylamine formula (recalled)

XVII. Some questions for the teacher (p.206-229)

This chapter, structured as a dialogue between Lacan and the seminar members, ties together the function of speech with the function of death and advances the central thesis about significant insistence. Lacan re-translates Wiederholungszwang as 'repetitive insistence' or 'significant insistence'—'the beyond of the pleasure principle is expressed in the word Wiederholungszwang'—and proposes that this insistence is not the recurrence of a biological tendency but the pressure of the signifying chain, of 'a world subjected to language.' The conjunction of death and the beyond of the pleasure principle is posed as the central question: on which register (real, imaginary, symbolic) does death belong in Freud's thought?

The chapter also contains an important discussion of desire in the dream. Against the reading that the dream is the fulfilment of a named desire, Lacan argues that in the Traumdeutung desire is 'never unveiled'—it is always behind the dream-work, accessible only through the stages of the work, never as a finally formulated desire. Desire is 'for nothing' in the sense that what cannot be named (behind every nameable thing in the dream) is 'akin to the quintessential unnameable, that is to say to death.' This provides the link between the dream, the death drive, and the symbolic: everything that analysis unveils at the level of the dream-work is at the level of signification; what remains irreducible—the x that the dream-work works on—is the unnameable real of desire, which is why Freud calls it the death drive. The chapter also addresses the obsessional structure: the obsessional is 'entirely alienated in a master whose death he awaits, without knowing that he is already dead,' and the solution is not to abandon discourse but to follow it through to its terminal dialectical rigour.

Key concepts: Death Drive, Desire, Language, Repetition, Symbolic, Beyond Notable examples: Freud, Interpretation of Dreams (desire in the dream); Wolfman (obsessional structure); Oedipus at Colonus (alluded to)

XVIII. Desire, life and death; Introduction of the big Other; Objectified analysis; Sosie; Where is speech? Where is language? (p.230-299)

This multi-session chapter (spanning several seminar meetings) constitutes the synthetic culmination of the year's work. It moves through four major moments. The first concerns the libido and sexual desire: Lacan argues that the libido is a mythical-quantitative unification of the domain of analytic effects, useful as a measure but inadequate as a concept without the symbolic register. Freud's insistence on 'sexual desire' (against Jung's universalisation of libido) is read not as biologism but as a refusal to dissolve the specificity of desire into a universal mirage. The conjunction of death and desire, illustrated through Oedipus at Colonus and Poe's 'The Facts in the Case of M. Valdemar' (the liquefaction of the subject who says 'I am dead'), stages the insight that life is 'a blister, a mould' and that Oedipus—who lives a life that is dead—enacts the structural proximity of life and death that Freud's text demands.

The second moment introduces the 'big Other' (A) and the Z-schema (A.m.a.S.), distinguishing two others: the little other (a), the specular other of the ego, and the radical Other (A), the locus of genuine alterity and of speech. Lacan uses the example of his own satisfaction/non-satisfaction in relation to the seminar audience to illustrate that the Other's satisfaction is not simply a mirror of the subject's—there is a 'fundamental alterity' that no imaginary identification can domesticate. The schema is used to critique ego-psychology's analytic technique (the 'objectified analysis' of Fairbairn and others), which reduces the analytic relation to an ego-to-ego encounter and aims at remodelling the subject's ego on the analyst's model.

The third moment reads Molière's Amphitryon as an allegory of the analytic situation in the symbolic register. Sosie (the ego) is shown to be constitutively split: he encounters himself at the door ('Me, who kicks you out'), and this encounter with the double stages the ego's fundamental alienation. Amphitryon (Jupiter's cuckolded husband) figures the subject who, entirely caught in symbolic glory, cannot encounter the real object of his desire. The myth of the wife who 'cheats with God'—the Name-of-the-Father as transcendent third—is what sustains the conjugal pact above imaginary degradation. The androcentric structure of the symbolic order of marriage (drawing on Lévi-Strauss) is noted: woman is an object of exchange, not a subject of the pact.

The fourth moment, 'Where is speech? Where is language?', staged as a dialogue with Mannoni, Riguet, and others, crystallises the speech/language distinction: language is 'geometrical, impersonal, polysemantic,' while speech is 'perspectival'—it always has a vanishing point in an other. Lacan introduces the 'Three Prisoners' sophism (the logical puzzle of the white and black discs) to demonstrate that the subject's truth is inseparable from the haste of an act: the logical conclusion—'I am white'—can only be held if the subject acts on it before the others do, showing that temporality and intersubjectivity are internal to logical deduction. The subject is 'always-already inscribed in language as a message, determined by a universal concrete discourse prior to birth.'

Key concepts: The big Other, Symbolic Order, Desire, Alienation, Splitting of the Subject, Mirror Stage, Identification, Ego Notable examples: Molière, Amphitryon; Poe, 'Facts in the Case of M. Valdemar'; Oedipus at Colonus; Three Prisoners sophism; Lévi-Strauss on androcentric exchange

XXIII. Psychoanalysis and cybernetics, or on the nature of language (A, m, a, S) (p.301-333)

This final public lecture and the seminar sessions concluding the year bring together the cybernetic and psychoanalytic threads in a systematic account of language, chance, and the symbolic. Lacan begins by tracing the birth of the exact sciences to the moment when man ceased to see his ritual actions as necessary to sustaining the order of the real—the moment when the 'conjectural sciences' (including psychoanalysis) became possible. Probability theory (Pascal's arithmetic triangle, 1654) is identified as the pivot: it replaces the science of numbers with a combinatory science, grounding exactness in the correlation of absence and presence, the binary couple plus/minus.

Lacan then argues that cybernetics and psychoanalysis share a common axis: language. Both sciences are grounded in the problem of chance and determinism—what appears random in human behaviour reflects an underlying compulsion to repeat that can be formalised as a symbolic combinatory. The cybernetic machine makes visible the radical difference between the symbolic order (axiomatic, artificial, composed point-by-point) and the imaginary order (Gestalt, good form, intuitive recognition): good forms do not constitute simple formulae for the machine—they require the most complex point-by-point scanning. This empirical fact is offered as evidence of the opposition between the symbolic and the imaginary.

The chapter closes with the A.m.a.S schema mapped onto Freud's three-stage account of the cure in Beyond the Pleasure Principle: (1) signification/communication of meaning; (2) imaginary reminiscence/integration of signification into the ego's biographical continuum; (3) repetition/insistence proper—the unconscious tendency to repeat that is unaffected by imaginary resistances. Lacan argues that the death drive is 'the mask of the Symbolic order insofar as the Symbolic has not yet been realised'—it is the Symbolic's insistence on being, pressing against the resistance of the imaginary ego. What analysis reveals to the subject is not a biological reality but 'the signification of his lot within a received symbolic speech'—a speech he receives ready-made, of which he is 'the point of passage.'

Key concepts: Symbolic, Imaginary, Automaton, Language, Signifier, Death Drive, The big Other, Pleasure Principle, Transference, Repetition Notable examples: Pascal's arithmetic triangle; Shannon information theory; Cybernetic machine and Gestalt recognition; Freud, Beyond the Pleasure Principle (three-stage cure); A.m.a.S schema

Main interlocutors

  • Sigmund Freud, Beyond the Pleasure Principle
  • Sigmund Freud, The Interpretation of Dreams
  • Sigmund Freud, Project for a Scientific Psychology
  • Sigmund Freud, The Ego and the Id
  • Jean Hyppolite
  • Hegel, Phenomenology of Spirit
  • Claude Lévi-Strauss, The Elementary Structures of Kinship
  • Edgar Allan Poe, The Purloined Letter
  • Maurice Merleau-Ponty
  • Erik Erikson
  • Heinz Hartmann
  • W. R. D. Fairbairn
  • Norbert Wiener
  • Blaise Pascal
  • Søren Kierkegaard
  • Plato, Meno
  • Molière, Amphitryon
  • Descartes, Meditations
  • Lacan, Seminar I

Position in the corpus

Seminar II is the direct successor to Seminar I (Freud's Papers on Technique, 1953–1954) and should ideally be read after it, since it presupposes the mirror stage elaborations, the full/empty speech distinction, and the introductory account of the Symbolic/Imaginary registers developed there. Readers coming from Seminar I will find that Seminar II both deepens and systematises those themes, moving from the primarily clinical register of Seminar I to a more explicitly theoretical and philosophical one. Within the broader corpus, Seminar II is the indispensable bridge to Seminar III (The Psychoses, 1955–1956), where the Name-of-the-Father is developed, and to the published essay "The Seminar on 'The Purloined Letter'" in Écrits, of which this seminar is the living context. The reading of Freud's Entwurf here provides the theoretical substratum for Lacan's later discussions of jouissance (Seminar VII, Seminar XX) and the object a (Seminar XI), since the formulation of the A.m.a.S schema and the positioning of the big Other are foundational for all subsequent topological work.\n\nIn the wider Lacanian-theoretical corpus, Seminar II occupies a unique position as the seminar of the 'return to Freud' most explicitly oriented toward the question of method: it is Lacan's most sustained engagement with how to read Freud—against the grain of ego-psychology, through the lens of structuralism and cybernetics, and with full acknowledgement of the paradoxes and contradictions in the texts themselves. Readers interested in Lacan's relation to philosophy (Hegel, Descartes, Merleau-Ponty) will find this seminar the richest single source. Those coming from Žižek's work on the subject and ideology will recognise the foundational moves of the anti-humanist argument here; those coming from film theory or literary studies will find the Purloined Letter reading and the cybernetics discussion among the most pedagogically explicit formulations of the symbolic/imaginary distinction in the entire corpus.

Canonical concepts deployed