Preamble — the default we refuse¶
A Creative Commons licence works because it refuses a tacit default. The act of adoption is an opting-out of copyright's all-rights-reserved. If the default is not named, the adoption is ornamental.
Split-Domain Cognition rests on the same logic. The adoption of SDC is the refusal of a default that goes mostly unnoticed. This page names the default.
The default¶
In most practices where descriptive work and evaluative work happen together, they happen in the same breath.
A critic describes a work in prose that has already judged it. A hiring panel reads a candidate in language that has already decided. A studio gives feedback in sentences whose observation and verdict cannot be separated. A rubric is announced and then ignored, replaced by the judgement that was always going to be made anyway. A large language model is asked to decide whether something is good and produces a verdict whose reasoning cannot be reconstructed.
We call this the collapse: language work and judgement work fused in a single channel, with the failures that conflation reliably produces.
What the collapse costs¶
- Verdicts that cannot be audited. A decision was made; no one, including the decider, can reconstruct against what criteria.
- Descriptions that smuggle evaluation. Prose claiming to report is already steering belief.
- Rubrics that cannot be taught. What is being assessed cannot be shown to the person being assessed.
- Rejection that cannot be learned from. The person on the receiving end cannot calibrate, because the criteria were never separated from the verdict.
- Drift under social pressure. What "counts" as acceptable shifts with whoever is loudest; there is no explicit standard to drift against.
- Sycophancy in machines. Large language models, asked to judge, default to confirming the interlocutor; the verdict inherits the fluency of the language layer instead of being held to its own criterion.
Each is the predictable symptom of one underlying confusion: two kinds of cognition, whose criteria are different in kind, doing their work in a single channel.
What SDC refuses¶
Split-Domain Cognition refuses the collapse — not thinking itself, not evaluation, not the fact that judgement must sometimes be made. It refuses the fusion. The principle is narrow: where language work and judgement work are both in play and are being forced to share one channel, build the work so the two stay structurally unlike.
What adoption commits to¶
A project that adopts SDC commits to keeping the two kinds of work structurally apart — not in its prose about itself, but in its artefacts.
This last clause is the test. An adoption declaration that names the separation in its own self-description but cannot point to the separation in its own artefact is precisely the failure SDC identifies.
The badge, when it carries weight, carries this weight.