Straight, a, determined by two points, 79 Stuff, etherealized four-dimensional, 160 Sum, angular, 79 -- triangular, less than two right angles, 59 Superconcepts, as intuitographs, 255 Superconceptual, as the intuitional, 20 Superperception and automatism of the intellect, 20 Superperceptual, the, 74 Superunodim, the, 177 Swedenborg, 180, 184 Symbol, psychic, and the brain, 190 -- words as symbols of ideas, 126-7 Symbolism of life, 286 -- -- neurographical impressions, 186 -- -- realities, 128 -- -- sense-deliveries, 204 -- -- space-genesis, 208, _ff_ Symbology, depicting planes of consciousness, 270 -- of mathematical knowledge, 203, _ff_ Synchronous evolution of faculties and properties of matter, 332 Syncretization of mind and matter, 299 Synthesis and the norm of reality, 300 Synthetic school of geometry, 56 T Tactographic impressions, 190 Tartrate and a component in the fourth dimension, 156-7 Task of mental evolution, the supreme, 169 Taurinus, 56-7, 69 Telescope, its effect upon consciousness, 298 Tendence, intellect as scientific, 165-6 Tendencies, destined to flower as faculties, 89-91, 332 Tendency to fragmentate, the intellect and, 296 Tesseract as represented by Carus, 136-8 -- illustrated, 133 -- the, 20, 145 -- the elements of, 135 -- the four coördinates of, 132 Testimony of the intellect, incapable of comparison, 76 Tetragrammaton, the, 308 Tetrahedron, the, 135 Thalamencephalon, the, 345 Thales, 44 Theory of knowledge, 290 Thingness of objects and the impossibility of comprehending, 122 Things, the dual nature of, 119 -- -- value of, 161 Things-in-themselves, the identity of, 353 Thinkability of the fourth dimension, 125 Thinker as a pure intelligence, 184, 248 -- -- engenderer of the intellect, 291 -- -- principal to the ego, 243, _ff_ -- -- six times removed from the sensible world, 201 -- -- the source of the intuition, 26 -- and concepts, 244 -- -- his approach to the kosmic mind, 202, 223 -- -- -- larger life, 196 -- -- -- treatment of the ego, 246 -- -- -- of sense-impressions, 74-5 -- -- realism, 315 -- -- space, 193 -- -- a segment of reality, 171 -- the, and the amplitude of the degrees of realism, 198, 270 -- and the barriers of consciousness, 207 -- -- -- brotherhood of man, 301 -- -- -- degrees of realism, 175 -- -- -- manipulation of concepts, 255 -- -- -- nature of space, 268 -- -- -- neurograph, 190 -- -- -- new faculty, 335 -- -- -- perceptive faculty, 188 -- -- -- pituitary body, 351 -- defined as the spiritual man, 21 -- his consciousness and the ether, 280 -- -- dependence upon the ego, 245 -- -- method of contacting the external world, 189-191 -- -- outlook upon the universe of spatiality, 242 Thinker, his schematism of cognitive powers, 206 -- -- sphere of awareness, 283