Abstract
Commenting La logique sociale of Gabriel Tarde, René Schérer demonstrates the striking lines of a thought completely devoted to the idea of invention : in ersubju7ive vision of the social, distinction between creation and reproduction and between invention and a rehearsal which characterizes as much work as capital, power and enjoyment of an invention made by peculiar associations, opening in, and on others and multiplicities, aversion of any binding system. He drows-up a parallel between this not-academic thinker aril Charles Fourier’s system, to open on the social conceived as a planetary brain