In recent years there has been a remarkable revival of interest in the doctrine of analogy, and many important studies on this doctrine have appeared in the form of articles and books. Today many of the greatest living philosophers and theologians consider some sort of analogy to be an indispensable tool for any fruitful research in metaphysics and theology. In this atmosphere we are sure that a study of the history of the principle of analogy in Protestant and Catholic theology is welcome. This is one of the reasons for the present undertaking. A second reason for this study is to seek to...