#12 Projective plane

The projective plane

The projective plan has been used widely by Jacques Lacan, mainly in its cross-cap presentation. What is a projective plane? Is the cross-cap the most relevant way to account for the human psyche?

On the railroad tracks:
— the discourse of the master says: “the railroad tracks are parallel”
— the discourse of the hysterical says: “I see tracks are converging toward a common point”
— the discourse of the university says: “the tracks are parallel and converge in a projective point”
— the discourse of the analyst says: “the subject is structured as a projective space”

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#11 Intension, extension

Psychoanalysis, pass, in intension, in extension

The pass in intension or in extension, psychoanalysis in intension or in extension, What is it when Lacan uses these terms? It seems that he uses these qualifications in a quite remote sense than the one they have in logics

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