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Doing Philosophy: An Introduction Through Thought Experiments, 2/e
Theodore Schick, Muhlenberg College
Lewis Vaughn

The Problem of Relativism and Morality

actual duty  A duty that should be performed in a particular situation.
act-utilitarianism  The doctrine that what makes an action right is that it maximizes happiness, everyone considered. Also termed traditional utilitarianism.
categorical imperative I  The doctrine that what makes an action right is that everyone could act on it, and you would be willing to have everyone act on it.
categorical imperative II  The doctrine that what makes an action right is that it treats people as ends in themselves and not merely as a means.
consequentialist (teleological) ethical theory  An ethical theory that judges the rightness or wrongness of an action in terms of its consequences.
cultural relativism  The doctrine that what makes an action right is that it is approved by one's culture.
divine command theory  The doctrine that what makes an action right is that God commands it to be done.
emotivism  The doctrine that moral utterances are expressions of emotion.
ethical egoism  The doctrine that what makes an action right is that it promotes one's own best interest.
formalist (deontological) ethical theory  An ethical theory that judges the rightness or wrongness of an action in terms of its form.
imperfect duty  A duty that does not always have to be performed.
instrumental (extrinsic) value  Value for the sake of something else.
intrinsic value  Value for its own sake.
negative right  People have a negative right to something if and only if others have a duty not to interfere with their pursuit of that thing.
perfect duty  A duty that must always be performed no matter what.
pluralistic formalism  The doctrine that what makes an action right is that it falls under the highest-ranked duty in a given situation.
positive right  People have a positive right to something if and only if others have a duty to provide them with what they need to acquire that thing.
prima facie duty  A duty that should be performed unless it conflicts with other prima facie duties.
principle of justice  The doctrine that equals should be treated equally (and unequals in proportion to their relevant differences.
principle of mercy  The doctrine that unnecessary suffering is wrong.
psychological hedonism  The doctrine that the only thing individuals can desire is their own happiness.
reversibility  A principle has reversibility if the person acting on it would be willing to have everyone act on it.
rule-utilitarianism  The doctrine that what makes an action right is that it falls under a rule that, if generally followed, would maximize happiness, everyone considered.
subjective absolutism  The doctrine that what makes an action right is that one approves of it.
subjective relativism  The doctrine that what makes an action right for someone is that it is approved by that person.
universalizability  A principle has universalizability if everyone can act on it.
virtue  An admirable human quality marked by a disposition to behave in certain ways in certain circumstances.
virtue ethics  A system of ethics based on the concept of a good person rather than that of a right action.