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{{#invoke:Hatnote|hatnote}} {{ safesubst:#invoke:Unsubst||$N=Use mdy dates |date=__DATE__ |$B= }} {{#invoke:Side box|main}} Ethics or moral philosophy is the branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong conduct.<ref name="">Internet Encyclopedia of Philosophy "Ethics"</ref> The term ethics derives from the Ancient Greek word ἠθικός ethikos, which is derived from the word ἦθος ethos (habit, “custom”). The branch of philosophy axiology comprises the sub-branches of Ethics and aesthetics, each concerned with concepts of value.<ref>Random House Unabridged Dictionary: Entry on Axiology.</ref>

As a branch of philosophy, ethics investigates the questions “What is the best way for people to live?” and “What actions are right or wrong in particular circumstances?” In practice, ethics seeks to resolve questions of human morality, by defining concepts such as good and evil, right and wrong, virtue and vice, justice and crime. As a field of intellectual enquiry, moral philosophy also is related to the fields of moral psychology, descriptive ethics, and value theory.

The three major areas of study within ethics are:<ref name=""/>

  1. Meta-ethics, concerning the theoretical meaning and reference of moral propositions, and how their truth values (if any) can be determined
  2. Normative ethics, concerning the practical means of determining a moral course of action
  3. Applied ethics, concerning what a person is obligated (or permitted) to do in a specific situation or a particular domain of action<ref name=""/>

Ethics sections
Intro  Defining ethics  Meta-ethics  Normative ethics  Applied ethics  Moral psychology  Descriptive ethics  See also  Notes  References  Further reading  External links  

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