Herbert spencer’s ideas about "survival of the fittest", are best known as . auguste comte’s ideas about studying society and social arrangements by using science is best known as

When it comes to Evolution, Spencer's evolutionary thoughts preceded Darwin's and they're best known as "Law of Evolution" (a progression from simplicity to complexity or from primitive to advanced) which was misapprehended and twisted by Xenophobic European Imperialists to justify violence and worldwide socio-economical domination; and Auguste Comte’s ideas about studying society from a scientific approach is best known as "Positivism", stating that society should be systematically arranged according to scientific knowledge.