 But Russell is not quite out of the woods. He continued to believe in his Fundamental Principle that to understand a proposition we must be acquainted with the referents of the words that remain once the proposition has been boiled down to its ultimate constituents. This means, in effect, that things which don’t exist have to be defined in terms of things which do, indeed, that things which don’t exist have to be defined terms of things (including universals) with which we are acquainted. How then is “good” to be defined? More pedantically, how are sentences involving “good” to be analyzed so that the word “good” can be eliminated? According to Russell,