Mário FS logica e dialética bbb

https://www.academia.edu/45045024/M%C3%A1rio_Ferreira_dos_Santos_Enciclop%C3%A9dia_de_Ci%C3%AAncias_Filos%C3%B3ficas_e_Sociais_Vol_02_L%C3%B3gica_e_Dial%C3%A9tica&nav_from=ef83da66-b24c-499c-91b4-5ad16a12055b&rw_pos=0