Origin of Cosmic Primordial Light and Logical Speculation on the Opposition of Darkness and Light

Based on the existence of cognitive subjects as a prerequisite, this paper traces the origin of cosmic primordial light relying on the most fundamental logical speculation. As latecomers of cosmic evolution, we live in the already formed material world and reversely deduce the primordial state before the formation of the universe. Darkness and light are opposites with logical interdependence. Without light, darkness cannot be defined. Without darkness, light loses its reference. The two cannot exist independently, and this serves as the logical foundation for all retrospective deduction. The total energy of the universe is generated at the primordial stage at one time with fixed total quantity following energy conservation. It is not possible for light and energy to be newly generated from darkness in any random space at present. In mental deduction, darkness can be selected as a hypothetical starting point. From this logical assumption we infer that its opposite light must emerge through condensation within the primordial substrate. The complete evolution chain shows that lowest energy original photons gather and rise in energy to form gamma photons. High energy gamma photons transform into bound matter state through self locking effect, and matter further derives all phenomena of the universe. The whole text carries out deduction strictly following the logical context of this system.