Conversation so far:
What two scholars influenced Émile Durkheim?
During his university studies at the École, Durkheim was influenced by two neo-Kantian scholars, Charles Bernard Renouvier and Émile Boutroux.

Question: What principles did they have?
Self-contained rewrite: What principles did Charles Bernard Renouvier and Émile Boutroux have that influenced Émile Durkheim?