Assertion: ethical egoism | /r/HasProperty | introduced by the philosopher
Facets:
value: in his book
type: LOCATION
Source sentences:
text: Ethical egoism was introduced by the philosopher Henry Sidgwick in his book The Methods of Ethics, written in 1874.
text: Ethical egoism was introduced by the philosopher Henry Sidgwick in his book The Methods of Ethics, written in 1874.