Three-dimensional space because it is anthropomorphic. At Euclid it is isotropic. And in our sensations – anisotropic. Distinguishable mind: sky-earth, left-right, back and forth. The idea of three-dimensional space is generated in our minds corresponding asymmetry of our body, mind discernible. The idea of the extent of the mind consists of the evaluation of the… Read more Why three-dimensional space?