Utilitarianism studies this field by arguing action should benefit the overall good.
Simone de Beauvoir wrote a book titled after this subfield and its relation to "ambiguity." G.E. Moore described the naturalistic fallacy in this subfield, and G.E.M. Anscombe coined the term "consequentialism" in a work reviving the (*) "virtue" theory of this field. Baruch Spinoza titled one of his books after this field, and a discussion of the pursuit of happiness, or "eudaimonia," appears in a book on this field written by Aristotle and titled for Nicomachus. Utilitarianism studies this field by arguing action should benefit the overall good. For 10 points, name this branch of philosophy studying morality and the difference between right and wrong.
Simone de Beauvoir wrote a book titled after this subfield and its relation to "ambiguity."
ethics (prompt on morality; prompt on philosophy)