Axiology is the philosophical study of value. It includes questions about the nature and classification of values and about what kinds of things have value. It is intimately connected with various other philosophical fields that crucially depend on the notion of value, like ethics, aesthetics or philosophy of religion. It is also closely related to value theory and meta-ethics. The term was first used by Eduard von Hartmann in 1887 and by Paul Lapie in 1902.
Hedonism refers to a family of theories, all of which have in common that pleasure plays a central role in them. Psychological or motivational hedonism claims that human behavior is determined by desires to increase pleasure and to decrease pain. Normative or ethical hedonism, on the other hand, is not about how humans actually act but how humans should act: people should pursue pleasure and avoid pain. Axiological hedonism, which is sometimes treated as a part of ethical hedonism, is the thesis that only pleasure has intrinsic value. Applied to well-being or what is good for someone, it is the thesis that pleasure and suffering are the only components of well-being. These technical definitions of hedonism within philosophy, which are usually seen as respectable schools of thought, have to be distinguished from how the term is used in "everyday language". In that sense, it has a negative connotation, linked to the egoistic pursuit of short-term gratification by indulging in sensory pleasures without regard for the consequences.
In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals.
Pleasure refers to experience that feels good, that involves the enjoyment of something. It contrasts with pain or suffering, which are forms of feeling bad. It is closely related to value, desire and action: humans and other conscious animals find pleasure enjoyable, positive or worthy of seeking. A great variety of activities may be experienced as pleasurable, like eating, having sex, listening to music or playing games. Pleasure is part of various other mental states such as ecstasy, euphoria and flow. Happiness and well-being are closely related to pleasure but not identical with it. There is no general agreement as to whether pleasure should be understood as a sensation, a quality of experiences, an attitude to experiences or otherwise. Pleasure plays a central role in the family of philosophical theories known as hedonism.
Thomas Nagel is a Jewish American philosopher. He is the University Professor of Philosophy and Law Emeritus at New York University, where he taught from 1980 to 2016. His main areas of philosophical interest are legal philosophy, political philosophy, and ethics.
Henry Sidgwick was an English utilitarian philosopher and economist. He was the Knightbridge Professor of Moral Philosophy at the University of Cambridge from 1883 until his death, and is best known in philosophy for his utilitarian treatise The Methods of Ethics. He was one of the founders and first president of the Society for Psychical Research and a member of the Metaphysical Society and promoted the higher education of women. His work in economics has also had a lasting influence. In 1875, with Millicent Garrett Fawcett, he co-founded Newnham College, a women-only constituent college of the University of Cambridge. It was the second Cambridge college to admit women, after Girton College. In 1856, Sidgwick joined the Cambridge Apostles intellectual secret society.
Edmund Lee Gettier III was an American philosopher at the University of Massachusetts Amherst. He is best known for his short 1963 article "Is Justified True Belief Knowledge?", which has generated an extensive philosophical literature trying to respond to what became known as the Gettier problem.
In moral philosophy, deontological ethics or deontology is the normative ethical theory that the morality of an action should be based on whether that action itself is right or wrong under a series of rules and principles, rather than based on the consequences of the action. It is sometimes described as duty-, obligation-, or rule-based ethics. Deontological ethics is commonly contrasted to consequentialism, utilitarianism, virtue ethics, and pragmatic ethics. In this terminology, action is more important than the consequences.
Roderick Milton Chisholm was an American philosopher known for his work on epistemology, metaphysics, free will, value theory, and the philosophy of perception.
Nicholas Paul Wolterstorff is an American philosopher and theologian. He is currently Noah Porter Professor Emeritus of Philosophical Theology at Yale University. A prolific writer with wide-ranging philosophical and theological interests, he has written books on aesthetics, epistemology, political philosophy, philosophy of religion, metaphysics, and philosophy of education. In Faith and Rationality, Wolterstorff, Alvin Plantinga, and William Alston developed and expanded upon a view of religious epistemology that has come to be known as Reformed epistemology. He also helped to establish the journal Faith and Philosophy and the Society of Christian Philosophers.
Peter Michael Stephan Hacker is a British philosopher. His principal expertise is in the philosophy of mind, philosophy of language, and philosophical anthropology. He is known for his detailed exegesis and interpretation of the philosophy of Ludwig Wittgenstein, his critique of cognitive neuroscience, and for his comprehensive studies of human nature.
Geoffrey Sayre-McCord is an American philosopher who works in moral theory, ethics, meta-ethics, the history of ethics and epistemology. He teaches at the University of North Carolina, Chapel Hill. He is also the director of the Philosophy, Politics and Economics Society.
J. David Velleman is an American philosopher. He is Emeritus Professor of Philosophy and Bioethics at New York University and Miller Research Professor of Philosophy at Johns Hopkins University. He primarily works in the areas of ethics, moral psychology, and related areas such as the philosophy of action, and practical reasoning.
The following outline is provided as an overview of and topical guide to ethics.
Gareth B. Matthews was an American philosopher who specialized in ancient philosophy, medieval philosophy, philosophy of childhood and philosophy for children.
Robert F. Almeder is Professor Emeritus of Philosophy at Georgia State University. He is known in particular for his work on the philosophy of science, and has also written on the philosophy of mind, epistemology and ethics. He is the author of 24 books, including The Philosophy of Charles S. Peirce (1980), Death and Personal Survival (1992), Harmless Naturalism: The Limits of Science and the Nature of Philosophy (1998), Human Happiness and Morality (2000), and Truth and Skepticism (2010).
Matthew Henry Kramer is an American philosopher, currently Professor of Legal and Political Philosophy at the University of Cambridge and a Fellow of Churchill College, Cambridge. He writes mainly in the areas of metaethics, normative ethics, legal philosophy, and political philosophy. He is a leading proponent of legal positivism. He has been Director of the Cambridge Forum for Legal and Political Philosophy since 2000. He has been teaching at Cambridge University and at Churchill College since 1994.
Roger Stephen Crisp is fellow and tutor in philosophy at St. Anne's College, Oxford. He holds the university posts of Professor of Moral Philosophy and Uehiro Fellow and Tutor in Philosophy. His work falls principally within the field of ethics, in particular metaethics, normative ethics, and applied ethics. In addition, he is chairman of the Management Committee of the Oxford Uehiro Centre for Practical Ethics.
The philosophy of happiness is the philosophical concern with the existence, nature, and attainment of happiness. Some philosophers believe happiness can be understood as the moral goal of life or as an aspect of chance; indeed, in most European languages the term happiness is synonymous with luck. Thus, philosophers usually explicate on happiness as either a state of mind, or a life that goes well for the person leading it. Given the pragmatic concern for the attainment of happiness, research in psychology has guided many modern day philosophers in developing their theories.
Ned Markosian is an American philosopher. He is currently professor of philosophy at the University of Massachusetts Amherst.
