198

Prag 21
the similar reactions have taken place. This statement is utterly indefinite in that it fails to specify the kinds of similarity intended. It is capable of logical proof that, in an unlimited universe of marks, any two/individual objects are, in themselves, equally similar with any other two. But since human apprehension of similarity has been developed by tradition and heredity under the action of this very property of the human reaction-machine of nerve and muscle, it is natural conjecture that (???) a person, family, (???), tribe, people, or race has developed any consistent natural apprehension of similarity, the human reaction-machine will possess this property with reference to that natural apprehension; and roughly, at (???), this