The idea with this repository is to provide open-source Ti𝑘Z diagrams of Lacan’s mathemes.
Anyone using LaTeX can copy & paste this code into their papers to display the diagrams.

If you have any ideas for improvements, just file an issue or pull request. For small changes, see here and here.

Schema L
17.12.25: Finished. Straight apostrophe slightly ugly.
18.02.15: Fixed apostrophe.

Schema R
17.12.25: Mostly done. Diagonal hatching renders badly in Adobe Acrobat.

Schema I
18.01.17: Mostly done. Maybe make large version.

Sexuation Formulas
17.12.25: Mostly done. Maybe tweak strikethrough angle.
18.01.18: Fixed strikethrough angle.

Graph of Desire
18.01.17: Mostly done. Still need to design custom arrowhead.
18.02.16: Fixed arrowheads.

Four Discourses
18.01.21: Finished.

RSI
17.12.28: Mostly done. Still room for some minor adjustments.
18.02.14: Final touchups.

Baudouin - De l’instinct à l’esprit (1970), p. 224
19.10.17: Finished.

Benvenuto - “Freud’s Concept of Narcissism” (1995), fig. 2
19.10.17: Finished.

Schéma de Lacan, par Christian Santini et Mathieu Cousquer
19.10.04: Finished.

Eros & Thanatos, source unknown
21.03.11: Finished.

Pinto - “La Réalité psychique dans le schéma R de Lacan” (2009)
21.03.13: Finished.

• Boucher, G. (2005). “The Logical Status of Lacan's ‘Formulae of Sexuation’.” Letter: Lacanian perspectives on psychoanalysis 34, pp. 114-43
• Choi, W. (2012). “Lacan's double battlefront in the 1957–58 seminar: Constructing the graph of desire." Psychoanalysis, Culture & Society 17(3), pp. 244-61
• Eidelzstein, A. (2009). The Graph of Desire: Using the Work of Jacques Lacan. London: Karnac Books.
• Fink, B. (1991). “"There's No Such Thing as a Sexual Relationship": Existence and the Formulas of Sexuation.” Newsletter of the Freudian Field 5(1-2), pp. 59-85
• Fink, B. (1998). "The Master Signifier and the Four Discourses," in Nobus, D. (Ed.). (1998). Key Concepts of Lacanian Psychoanalysis. New York: Other Press, pp. 29-47
• Fink, B. (2004). Lacan to the Letter: Reading Écrits Closely. Minneapolis: University of Minnesota Press, ch. 4: Reading "The Subversion of the Subject"  [graph of desire]
• Kozicki, B. (2011). "Lacan's Graph of Desire." (Re)-turn 6, pp. 121-34
• Leader, D. (2002). "The Schema L," in Burgoyne, B. (Ed.). (2002). Drawing the Soul: Schemas and Models in Psychoanalysis. London: Karnac Books, pp. 172-89
• Miller, J.-A.; Jauregui, J. (trans.). (2000). “Paradigms of Jouissance.” Lacanian Ink 17, pp. 10-46
• Monribot, P. (2013). ““There is no sexual relation” What does it mean? Clinical Consequences of Lacan’s formulae of Sexuation.” Hurly-Burly 10, pp. 148-64
• Ragland, E. & Milavanovic, D. (Eds.). (2004). Lacan: Topologically Speaking. New York: Other Press.
• Wagner (2011). “Lacan avec Greimas: Formalization, Theory, and the ‘Other Side’ of the Study of Culture.” Minnesota Review 77, pp. 62-86