Aristotelian logic is redescribed especially in its relations between intension ( categories, types, …) and extension (the individuals, instances, …). Gerard Crovisier connects these logics to the clinic of the subject.
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We resume here the topological definition of neighborhood that had been poorly explained. Here as well is definition and example of the concept of finite states graph. This is the first based on the, so called by Lacan, “Graph of desire”. This presentation is based on the 5 first sessions of the seminar 1958-59 “Desire and its interpretation”.
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This question seeks to analyze the non-compatible uses Lacan builds out of a torus.
A discussion took place at the end of the workshop held on 10 December. Each one's certainties revealed to be different!
What I mean by this question is that
— Sometimes the torus is solid (torus belongs to R ^ 3) i.d. real,
symbolic, and imaginary within the Borromean knot.
— Sometimes the torus is empty as on an air chamber; it is a skin
(torus belongs to R ^ 2); i.d. in l'Étourdit where Lacan cuts the skin of a torus to build a two-sided strip and a Moebius strip.
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Gérard Crovisier shows cutting ups made on a sphere and their implications in clinic.
Also starting at time 1:01:23 we review some questions that emerged as a result of the workshop #33.
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Returning to the Lacanian presentation of schema R applied to a cross-cap he considers the real to have a Moebius strip structure. Without changing this paradigm it is possible to build it out of a cylinder. Using this structure it is often easier to explain the relation of the subject with its objects of desire; this as well in the case of “normality”, neurosis, Psychosis.
An article is available at the following address: pdf
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The standard logic, called Aristotle logic, uses the principle of the excluded third. I.e a proposition is either true or false. However, by a closer look as did Godel, Husserl, Lacan and many others, we see that some cases invalidate this approach by revealing a part of undecidable. The logic must integrate its share of incompleteness. There are propositions that may be true and false, or neither true nor false. These modified logic elements could remain on purely mathematical fields. The analytical listening uncovers that much of the discourse of the analysand enters into this logic of four truths values. We describe this tetravalent logic in its mathematical approach and clinical approach.
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How many syllables in a signifier? How to name a missing signifier? What is the nature of the skin separating signifier and signified? And separating truth and knowledge?
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This is a return to the Moebius' strip and the projective plane structures. The clinical relationship between these 2 structures
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An animated discussion during which are evoked different structural conceptions of knots. Topological objects are confronted with the psychoanalytic clinic.
Note difficulties due to the absence of operator for the camera!
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A discussion around the four Borromean knot and the sinthome, with some disagreements on the possible and the impossible of transformations
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