Normative ethics asks the fundamental question: what ought we to do? It develops theories about which actions are right or wrong, which states of affairs are good, and which character traits are virtuous. Normative ethics is distinct from metaethics (about the nature and status of moral facts) and from applied ethics (specific real-world cases). The major normative frameworks—consequentialism, deontology, and virtue ethics—take different approaches to answering 'ought' questions.
Study a canonical case (e.g., a lie that saves a life) and ask: what makes an action right? A consequentialist answers by outcomes; a deontologist by rules or duties; a virtue ethicist by character. Tracing how each framework handles hard cases reveals their structure and commitments.
Treating metaethical positions as if they were normative theories. Assuming all normative theories must provide decision procedures. Viewing frameworks as mutually exclusive when they might complement each other.
Normative ethics is the branch of philosophy that tries to answer a deceptively simple question: what should we do? Not what people actually do (that's descriptive ethics or sociology), and not whether there are moral facts at all (that's metaethics) — but what the right action actually is. This is the domain where philosophers construct systematic theories of right and wrong, good and bad, virtue and vice.
The field is organized around three major frameworks that have competed and cross-pollinated for centuries. Consequentialism holds that the moral worth of an action is determined entirely by its outcomes. The right action is the one that produces the best consequences, however "best" is defined (happiness, preference satisfaction, welfare). Deontology holds that certain actions are intrinsically right or wrong regardless of consequences — there are duties, rules, and rights that constrain what we may do even in pursuit of good ends. Kant's categorical imperative is the paradigm case: act only on principles you could will to be universal laws. Virtue ethics shifts focus from acts to agents, asking not "what should I do?" but "what kind of person should I be?" It centers character traits — courage, honesty, justice — and asks what a person of good character would do in context.
The same scenario illuminates how these frameworks diverge. Suppose you can save five lives by pushing one innocent person in front of a trolley. A consequentialist tends to say: push — five lives outweigh one. A deontologist tends to say: do not push — you would be using the one person merely as a means, which violates their rights regardless of outcomes. A virtue ethicist asks: what would a just, compassionate person of practical wisdom do? The divergence reveals each framework's deepest commitments: outcomes alone, constraints on action, or character development.
Two important clarifications. First, normative ethics is not metaethics. Metaethics asks whether moral claims are objectively true, what moral facts could even be, or how we have moral knowledge. Normative ethics assumes there are better and worse answers to "what should I do?" and tries to find them. A consequentialist and a deontologist both think there are correct moral answers; they disagree about what makes them correct. Second, the three frameworks are not mutually exclusive recipes — sophisticated moral thinking often draws on all three. Consequentialists take rights seriously as useful heuristics; deontologists care about outcomes within the limits of duty; virtue ethicists ask what consequences a virtuous character would track. The frameworks are lenses that illuminate different features of moral situations rather than competing algorithms.
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