 Thus, according to this sources and the context, social justice was another term for "the justice of society", the justice that rules the relations among individuals in society, without any mention to socio-economic equity or human dignity.The usage of the term started to become more frequent by Catholic thinkers from the 1840s, including the Jesuit Luigi Taparelli in "Civiltà Cattolica", based on the work of St. Thomas Aquinas.He argued that rival capitalist and socialist theories, based on subjective Cartesian thinking, undermined the unity of society present in Thomistic metaphysics as neither were sufficiently concerned with moral philosophy.