This thinker refused to contrast the propositions "Cicero is Cicero" and "Cicero is Tully," given that both are purely denotative and have the same impact. He introduced concomitant variations, residues, difference, and agreement as "methods of experimental inquiry." Another work by this thinker considers such compassionate dictators as Charlemagne or Akbar. He attacked the armchair physiology used to justify preventing the title group from trying things and argues that slavery still persists in the household due to marriage laws. This author championed his namesake methods of inductive reasoning in A System of Logic, was assisted by his wife Harriet Taylor in writing "The Subjection of Women," and came up with the 
This thinker refused to contrast the propositions "Cicero is Cicero" and "Cicero is Tully," given that both are purely denotative and have the same impact. He introduced concomitant variations, residues, difference, and agreement as "methods of experimental inquiry." Another work by this thinker considers such compassionate dictators as Charlemagne or Akbar. He attacked the armchair physiology used to justify preventing the title group from trying things and argues that slavery still persists in the household due to marriage laws. This author championed his namesake methods of inductive reasoning in A System of Logic, was assisted by his wife Harriet Taylor in writing "The Subjection of Women," and came up with the "harm principle" as a guideline for when the state should restrict freedom. For 10 points, name this 19th century British philosopher who wrote On Liberty and Utilitarianism.
This thinker refused to contrast the propositions "Cicero is Cicero" and "Cicero is Tully," given that both are purely denotative and have the same impact.
John Stuart Mill