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STPrism

Humberto Maturana

5 min read

Based on the provided sources, the relationship between these concepts forms a logical progression starting from the fundamental nature of a living unity (Constraint) and moving toward the evolution of complex lineages (Speciation) and social structures (Hierarchy).

Here is the Mermaid diagram illustrating this flow, followed by a detailed explanation of each node based on the texts.

Diagram: The Logic of The Living

graph TD
    subgraph CONSTRAINT_AND_CAUSALITY ["CONSTRAINT & CAUSALITY"]
        A["<b>Autopoietic Unity</b><br/>(Living System)"] -->|Operates under| B(<b>Constraint: Structural Determinism</b>)
        B -->|Dictates that| C[External Environment]
        C -.->|Cannot instruct, only| D(<b>Causality: Perturbation/Trigger</b>)
        D -->|Triggers internal change in| A
    end

    subgraph NON_ERGODICITY ["NON-ERGODICITY (NATURAL DRIFT)"]
        A -->|Interaction over time| E(<b>Structural Coupling</b>)
        E -->|History of interactions| F(<b>Non-Ergodicity / Natural Drift</b>)
        F -->|System does not visit all states<br/>Future is path-dependent| F
    end

    subgraph SPECIATION ["SPECIATION"]
        F -->|Reproductive Conservation + Variation| G[Lineages]
        G -->|Divergent Structural Drifts| H(<b>Speciation</b>)
    end

    subgraph HIERARCHY ["HIERARCHY (BIOLOGICAL & SOCIAL)"]
        A -->|Coupling of Cells| I[2nd Order: Metacellulars/Organisms]
        I -->|Coupling of Organisms| J[3rd Order: Social Phenomena]
        J -->|Based on Mutual Acceptance| K[Social System]
        J -->|Based on Control/Obedience| L(<b>Hierarchy of Domination</b>)
    end

    style B fill:#ffcccc,stroke:#333,stroke-width:2px
    style D fill:#ffcccc,stroke:#333,stroke-width:2px
    style F fill:#e6e6fa,stroke:#333,stroke-width:2px
    style H fill:#ccffcc,stroke:#333,stroke-width:2px
    style L fill:#ffffcc,stroke:#333,stroke-width:2px

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Detailed Explanation of Elements

1. Constraint (Structural Determinism)

The foundational element of this framework is the constraint of structural determinism.

• Definition: A living system is a “structure-determined system.” This means that everything that happens in it or to it is determined by its own structure at that moment, not by external agents[1].

• The Constraint: The system is operationally closed. It cannot “admit” a change that violates its organization (its identity as a living being). If such a change occurs, the system disintegrates (dies)[2],[3]. This internal dynamic is the ultimate constraint on what the system can do or become.

2. Causality (Perturbation/Trigger)

Because of the constraint of structural determinism, traditional linear causality (Input A causes Output B) is redefined.

• No Instruction: The environment cannot “instruct” the system or transfer information into it. It can only act as a source of perturbations[4].

• Triggering: External agents can only trigger structural changes that are already permitted by the system’s own structure[5],[6]. Causality is an attribution made by an observer to explain the correlation between the perturbation and the response, but the operational reality is internal determination[7].

3. Non-Ergodicity (Natural Drift)

Since the system is constrained by its structure and its history of interactions (structural coupling), it is non-ergodic.

• Path Dependence: The system does not explore all possible states. Instead, it follows a specific, irreversible historical path known as Natural Drift[8],[9].

• The Continuous Present: The system exists in a “continuously changing present”[10]. Its future is not determined by a design or goal, but by where its specific history has placed it (like a water drop finding a path down a hill based on local terrain, not a map)[11],[12].

4. Speciation

Speciation is the visible result of non-ergodicity applied to reproductive lineages.

• Phylogenic Drift: Evolution is a process of “phylogenic drift” where lineages branch out. If a reproductive group separates, their structural drifts diverge because their history of structural coupling with the environment becomes different[13],[14].

• Conservation of Adaptation: Speciation is not a striving for perfection but the result of conserving autopoiesis (life) and adaptation (fit) under different environmental conditions[15]. Diverse species are simply different structural solutions to the requirement of conserving organization[16].

5. Hierarchy

Hierarchy appears in the sources in two distinct forms: Biological Complexity and Social Control.

• Biological Hierarchy (Orders of Unity):

    ◦ 1st Order: Cells (Molecular autopoiesis)[17].    ◦ 2nd Order: Metacellulars/Organisms (Aggregates of cells)[18],[19].    ◦ 3rd Order: Social Phenomena (Aggregates of organisms)[20],[21]. • Social Hierarchy vs. Social Systems: In the human domain, Maturana distinguishes between:

    ◦ Social Systems: Founded on the emotion of love (mutual acceptance). These are non-hierarchical in terms of dominance[22],[20].    ◦ Hierarchies: Founded on power and obedience. These are “conversations of command and obedience” where one individual negates the autonomy of another[23]. Reynolds and Churchman warn that applying autopoiesis uncritically to society can justify oppressive hierarchies by prioritizing the system’s survival over the individual’s welfare[24].

Graph View