Claudia Rivas interviews Xavier Esqué, who is in charge of one of the teaching spaces at the ELP-Catalonia on the Seminar 23 "The sinthome" during the course 2015/2016. During the meetings we hear the progress of the Cartel which was set up at the beginning of the course at the initiative of Xavier Esqué and guests-speakers who seek to treat a particular point of this Seminar.