Jean-François Bordron : « Signification et subjectivité » We first present the main directions which, according to us, permit to characterise a theorisation of the question of meaning, that is to say to build a semiotics. We then try to show how the different properties of the empirical subject can be directly schematized from Kant's table of categories. Through the discussion of a text by Leibniz, we show that any empirical subject implies, not only its schematizable properties but also a certain type of rule of construction. We try to understand how the text by Descartes, in the succession of its statements in the first person (I doubt, I exist, I think) does in fact build such a rule. We therefore want to establish that, in some of its o...