Postulate 2: "...and its geometry is Euclidean".
The Euclidean stratum of geometry defines only 6 degrees of freedom: three translational and three rotational. "Scale" is invariant (unchanging), because it is fixed at Unity. It is the scale factor of 1.0 that gives Euclidean geometry its abililty for measuring absolute distances. No deviation in scale is allowed in the Euclidean stratum of geometry.
Therefore, by positing "Euclidean" geometry, Larson explicitly denies all forms of "scalar motion" that are not Unity. As a natural consequence of this, the only thing that CAN exist in the RS universe is the unit outward motion of the progression of the natural reference system.
Due to scale invariance, all other forms of "scalar motion" are NOT a natural consequence of the postulates. Displacements from Unity CANNOT exist, therefore photons cannot exist, rotation of photons cannot exist, and atoms cannot exist. Without atoms, the Universe cannot exist.
The "natural consequences" that Larson predicts in his books and outlines are NOT a consequence of Euclidean geometry, but of two other strata of geometry. A "direction reversal" requires scale variance from +1 to -1, which places photons in the realm of "Metric geometry", where measurement is only "relative", no longer absolute. The Metric stratum of geometry only allows for ONE degree of freedom in scale, so all dimensions must have the same scalar speed. This, of course, does not work in a 3-dimensional universe.
By positing scalar motion in 3 dimensions, Larson has moved well off the realm of Euclidean geometry and into "Affine geometry", which defines 12 degrees of freedom; 3 translational, 3 rotational, 3 scalar-translation, 3 scalar-rotation. It is from the Affine stratum of geometry that Larson actually derives his "Universe of Motion." But, Affine geometry also limits the Universe to the PHYSICAL, since only the Material and Cosmic sectors (speed and inverse speed) can exist within the constraints imposed by this stratum.
The solution for "Beyond Space and Time" and the 3rd, "Ethical" sector therefore requires more degrees of freedom than allowed for by Affine geometry, and that brings us into the realm of "Projective geometry", which has a full 15 degrees of freedom.
This is the basis from which RS2 -- the re-evaluation of the RS -- has been proceeding:
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Correction of the 2nd Postulate allows the theory to agree with the observed Universe. However, many of the "natural consequences" change from Larson's original conclusions because "geometry" also becomes subject to the same reciprocal relation as speed.The physical universe conforms to the relations of ordinary, commutative mathematics, its magnitudes are absolute, and its geometry is Projective.