Even Discontinuity implies that Nothing was there before Beginning, so it's same as "Infinity", but with legitimate excuse to refuse to study times before the B

Even Discontinuity implies that Nothing was there before Beginning, so it's same as "Infinity", but with legitimate excuse to refuse to study times before the Beginning. Anyway, if Universe is infinite, it is infinite in all 4 dimensions. It cannot be infinite in just 1, 2, or 3 dimensions.