Pinheiro, M.M. 2022. ON THE WINGS OF SOCIAL PROGRESS: THE CONTRIBUTIONS OF POSITIVISM TO THE BRAZILIAN LEFT. Revista Ibero-Americana de Humanidades, Ciências e Educação. 8, 9 (Sep. 2022), 22–45. DOI:https://doi.org/10.51891/rease.v8i9.6727.