Having passed his licence, he obtained a diploma d’Etudes Superieures with a thesis on the ‘Relations between the conditions of intelligibility on the one hand and the problem of contingency on the other hand’. In 1926 Berger founded with some friends the Societe de Philosophie du Sud-est and its periodical .
After obtaining his license, Berger earned a diploma d'Études Superieures with a thesis on "The Relationship Between Conditions of Intelligibility and the Problem of Contingency". He then established the Société de Philosophie du Sud-Est in 1926 alongside some friends, which included a periodical.