communicoupling
A committee, a conversation, a company outlives everyone in it. Every member is eventually replaced, yet "the discussion," "the institution," "the tradition" runs on unbroken. Luhmann's claim: society consists of communications that produce further communications — a self-reproducing system in which persons are only occasions, not parts.
The communication stream each element's theme is drawn from recent elements — never from a person
The environment · persons who trigger, never author click a person to replace them
Disclosed: this is a stylized model of Luhmann's concept — a self-referential production of connectable elements — not a literal simulation of any real institution or of Luhmann's full theory.
communications, not people
In the model, each communication draws its theme from recent communications. A person triggers the event but does not determine its theme. The coloured band represents communications; the marks below it represent participants.
A cell produces the molecules that sustain it. Luhmann applies self-production to communication: earlier communications make subsequent ones possible. His theory distinguishes consciousness from communication, so a discussion can reach a conclusion no participant intended.
what to try
Raise turnover or press replace everyone. The original persons readout falls toward 0%, while continuity remains at 100%. Replacing participants does not interrupt the model’s links between successive communications.
Set feed to 0 to stop triggering new communications. Continuity falls until the status reads DEAD. Participants remain present, but the communication process has stopped.
Raise the coherence threshold, then press flood with noise. Fewer new themes connect to previous communications, so continuity falls. Pressing kill the theme breaks those connections directly.
what persists is the connecting
The self-reference depth readout counts the generations of communication on which the current communication depends. The count can grow across changes in participants.
A scientific debate can outlive its original participants because later papers answer earlier papers. New researchers continue the debate by responding to those claims.
the cost of the inversion
the mapping
| In the model | In the world |
|---|---|
| a communication node | an element produced by prior elements and enabling the next — the true unit of a social system. |
| a person (bottom mark) | the environment that triggers but does not author: an occasion for communication, never a part of it. |
| turnover · chips grey out | members replaced while the system runs on — the meeting, firm, or debate outliving everyone in it. |
| theme drawn from ⟨recent⟩ | self-reference: each communication attaching to prior ones, reproducing the system from itself. |
| coherence threshold θ | the connectability a system needs to keep reproducing — how tightly the next must attach to what came before. |
| continuity → 0 · DEAD | system death: communications that stop connecting, and so stop producing further communications. |
where it tears
Treating persons as the environment of social systems is a disputed part of Luhmann’s theory. The model makes participants interchangeable and omits differences in their decisions, experiences, and exposure to harm.
The simulation uses a circular theme, a coherence check, and a decay rule to illustrate self-reproduction. These rules are not calibrated to an institution, so the readouts do not measure institutional health.
The model does not establish that institutions cannot change. Participants can withhold communication, disrupt existing connections, or introduce new ones.
Source. Maturana & Varela, Autopoiesis (1972); Luhmann, Social Systems (1984) / Die Gesellschaft der Gesellschaft (1997). connect if cos(theme, ⟨recent⟩) ≥ θ
Borrowed mechanism. The concepts and mechanisms attributed to the sources above are implemented through the rules described in this explainer.
Implementation choices. The numerical settings, initial conditions and display summaries specify this implementation. They do not establish that the source used the same simulation.
Interpretation. The displayed measures describe the simulated system under its stated rules. Agreement with an illustrative example does not establish an explanation of a particular real-world event.
Calibration. Empirical calibration of these settings has not been established here. Source-specific measured quantities, where cited, are distinct from teaching presets.
| Model element | Interpretation |
|---|---|
| a communication node | an element produced by prior elements and enabling the next — the true unit of a social system. |
| a person (bottom mark) | the environment that triggers but does not author: an occasion for communication, never a part of it. |
| turnover · chips grey out | members replaced while the system runs on — the meeting, firm, or debate outliving everyone in it. |
| theme drawn from ⟨recent⟩ | self-reference: each communication attaching to prior ones, reproducing the system from itself. |
| coherence threshold θ | the connectability a system needs to keep reproducing — how tightly the next must attach to what came before. |
| continuity → 0 · DEAD | system death: communications that stop connecting, and so stop producing further communications. |
Model version 7d07bb41ac5e.