Utilitarianists hold justice is efficiency, Rawls thinks justice is equity, Nozick considers justice is the right of individuals, and in Macintyre justice is just the virtue.

功利主义者认为正义是效用，罗尔斯认为正义是公平，诺齐克认为正义是个人权利，麦金太尔认为正义是美德。