Another way of putting this is to say that in an organic structure any of the organs has both an operation and a meaning to its operation. The meaning of the operation of the eye or the heart or the leg is the part it plays in the operation of the whole structure—just as the meaning of a word is the part it plays in the structure of the whole language. When we talk of the operation of the eye with reference to the operation of the whole animal, when we talk of it as seeing, when we talk of it as
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