[New Entry by Matthew Adler and Nils Holtug on March 24, 2025.]
Prioritarianism is generally understood as a kind of moral axiology. An axiology provides an account of what makes items, in this case outcomes, good or bad, better or worse. A moral axiology focuses on moral value: on what makes outcomes morally good or bad, morally better or worse. Prioritarianism, specifically, posits that the moral-betterness ranking of outcomes gives extra weight (“priority”) to well-being gains and losses affecting those at lower levels of…

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