diff --git a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/20.n2/10.brainstorming/.gitkeep b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/20.n2/10.brainstorming/.gitkeep new file mode 100644 index 000000000..e69de29bb