Contemporary ethical theory begins with G. E. Moore (1873–1958).
Moore opened up new issues for consideration and altered the focus of
ethical discussion.
Moore believed that the task of the ethical philosopher is to conduct a “general
inquiry into what is good.”This seems reasonably straightforward, down to earth,
and useful. If you know what good or goodness is, and if you know what things are
good, then you also know what proper conduct is, right? This, at any rate, is what
Moore maintained