This is a term that utilitarians use to designate a unit of pleasure. Its opposite is a dolor, which is a unit of pain or displeasure. The term "hedon" comes from the Greek word for pleasure.

Of, or pertaining to, pleasure.

For Kant, heteronomy is the opposite of autonomy. Whereas an autonomous person is one whose will is self-determined, a heteronomous person is one whose will is determined by something outside of the person, such as overwhelming emotions. Etymologically, heteronomy goes back to the Greek words for "other" and "law."

See Rights.

David Hume argued that propositions about the real world are either analytic (true by definition) or synthetic (true by experience - so testable and provable true or false). Moral statements are neither analytic nor synthetic, so are empirically (objectively) meaningless. However, as emotivists argue, they are subjectively meaningful - simply expressions of feeling.

A conditional command, such as, "If you want to lose weight, stop eating cookies." Some philosophers have claimed that morality is only a system of hypothetical imperatives, while others such as Kant, have maintained that morality is a matter of categorical imperatives. Also see categorical imperative.