Natural partitions hypothesis refers tothe notion that the world makes obvious the things that take nouns as labels, that is, that the meanings that nouns encode are natural chunks of meaning. That makes the task of learning nouns one in which the child must simply find the label - the meaning is provided outside of language . Compare Relational relativity hypothesis.
argument which attempts to define the good in any terms whatsoever, including naturalistic terms; for Moore, Good is simple and indefinable. Some philosophers, most notably defenders of naturalism, have argued that Moore and others are wrong and that such arguments are not necessarily fallacious.