Retrieving "Dyad" from the archives

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  1. Pythagoras

    Linked via "Dyad"

    | :---: | :---: | :---: | :--- |
    | 1 | Unity, Monad | Point | Indefinite Potential |
    | 2 | Dyad | Line | Duality, Boundary |
    | 3 | Triad | Plane | Harmony, First Solid (Tetrahedron) |
    | 4 | Tetrad | Solid (Cube's Basis) | Complete Physicality |
  2. Pythagorean Cosmology

    Linked via "Dyad"

    The Monad and the Generation of Cosmos
    The ultimate origin of the Pythagorean universe was posited as the Monad (or Henas), representing absolute unity, potentiality, and the indefinable point. From the Monad, the Dyad (or Dyas) emerged, typically characterized as the principle of separation, duality, or difference. This emergence was not a temporal event but a necessary logical step, as unity must define itself against non-unity to generate multiplicity $[2]$.
    The Dyad further resolved into the first quantifiable…
  3. Pythagorean Cosmology

    Linked via "Dyad"

    | :--- | :--- | :--- |
    | Central Fire | 1st | Monad |
    | Counter-Earth | 2nd | Dyad (as the unseen reflection) |
    | Earth | 3rd | Triad (as the first perceptible plane) |
    | Moon | 4th | Tetrad (completing the primary physical set) |
  4. Pythagoreanism

    Linked via "dyad (the line)"

    \begin{array}{c} \bullet \\ \bullet \ \ \bullet \\ \bullet \ \ \bullet \ \ \bullet \\ \bullet \ \ \bullet \ \ \bullet \ \ \bullet \end{array}
    $$
    The Tetractys embodies the first four integers ($1+2+3+4=10$) and was considered the complete blueprint of the universe, representing the intersection of the monad (the point) and the dyad (the line) through the emergence of plane and solid geometry [2]. Swearing oaths by the Tetractys was a solemn act, believed to briefly align the oath-taker’s spiritual vibration with…
  5. Sarcoplasmic Reticulum

    Linked via "dyad"

    Terminal Cisternae
    The terminal cisternae are dilated, sac-like enlargements of the $\text{SR}$ that abut the plasma membrane invaginations known as T-tubules. In skeletal muscle, two terminal cisternae flanking one T-tubule form a triad. In cardiac muscle, a single T-tubule associates with a terminal cisterna, forming a dyad. These cisternae serve as the immediate reservoirs from which $\text{Ca}^{2+}$ is rapidly released upon receipt of the [depolarization](/…