Complex sentence: Philosophical study of well-being identifies a number of different kinds of theory, such as: hedonism, desire-fulfilment theory, objective-list theory, perfectionism, and some'mixed' or'hybrid' views of well-being.
Split into simpler sentences: Philosophical study of well-being has identified a number of different kinds of theory. These include: hedonism, desire-fulfilment theory, objective list theory, perfectionism, and some'mixed' or'hybrid' views of well-being.