Key points are not available for this paper at this time.
This book is a translation from the original German Philosophic der Raum-Zeit-Lehre published in 1928. That there should be a demand for such an enterprise some thirty years later is itself a tribute to the importance which scholars have come to attach to the author's researches during the intervening decades.
F. I. G. RAWLINS (Sun,) studied this question.