Page:Principia Ethica 1922.djvu/159

IV] and that have existed and will exist together so many times. But it is beyond even their powers to believe that what you do mean is merely what you say. They still think you must mean, somehow or other, that something does exist, since that is what you generally mean when you say anything. They are as unable as the empiricists to imagine that you can ever mean that $$2+2=4$$. The empiricists say this means that so many couples of couples of things have in each case been four things; and hence that 2 and 2 would not make 4, unless precisely those things had existed. The metaphysicians feel that this is wrong; but they themselves have no better account of its meaning to give than either, with Leibniz, that God’s mind is in a certain state, or, with Kant, that your mind is in a certain state, or finally, with Mr Bradley, that something is in a certain state. Here, then, we have the root of the naturalistic fallacy. The metaphysicians have the merit of seeing that when you say ‘This would be good, if it existed,’ you can’t mean merely ‘This has existed and was desired,’ however many times that may have been the case. They will admit that some good things have not existed in this world, and even that some may not have been desired. But what you can mean, except that something exists, they really cannot see. Precisely the same error which leads them to suppose that there must exist a supersensible Reality, leads them to commit the naturalistic fallacy with regard to the meaning of ‘good.’ Every truth, they think, must mean somehow that something exists; and since, unlike the empiricists, they recognise some truths which do not mean which do not mean that anything exists here and now, these they think must mean that something exists not here and now. On the same principle, since ‘good’ is a predicate which neither does nor can exist, they are bound to suppose either that ‘to be good’ means to be related to some other particular thing which can exist and does exist ‘in reality’; or else that it means merely ‘to belong to the real world’—that goodness is transcended or absorbed in reality.

74. That such a reduction of all propositions to the type of those which assert either that something exists or that something which exists has a certain attribute (which means, that both exist in a certain relation to one another), is erroneous,