fulfilled all the previously mentioned requirements. Henceforth, the law of potential distribution, or of gravitation inside matter, would have to be (neglecting constant factors)
(analogous to Poisson’s equation); and outside matter, as
disappeared, there was left
which reduces to
(analogous to Laplace’s equation). From this we see that Einstein’s initial error affected the law of space-time curvature only in the interior of matter. Outside matter, we had, as before,
