IN recent years it has been suggested that the laws of Nature can be reached by deductive methods instead of by inductions from observation. We may, with Eddington, assert that the chain of deduction ...

LET me begin by removing misapprehensions. I did not, as Prof. J. B. S. Haldane suggests, attack Prof. E. A. Milne and Sir Arthur Eddington: “Milne”, “Eddington” and “Dirac” were merely symbols to ...