Explains the ISO/IEC 11179-4 rules for data definitions
A definition states what the thing is, as a descriptive phrase, without restating the name, without circularity and without embedding the definition of another concept (ISO/IEC 11179-4:2023).
Can AI do this?
People still lead Few or none of the tested AI models showed they master this. 0 of 4 models in the current benchmark master it.
| Model | Tier | Probability of mastery | Status |
|---|---|---|---|
| gemini-4-argon | Flagship | 91% | Not shown |
| gemini-3.5-flash-lite | Low cost | 52% | Not shown |
| gpt-6-luna | Low cost | 90% | Not shown |
| claude-haiku-5-5 | Low cost | 89% | Not shown |
Mastered means a probability of at least 90% that the model has this knobit, estimated from its graded answers. “Not shown” means the answers do not settle it either way. How the models are tested.
What it looks like in practice
Expected result: A definition states what the thing is, as a descriptive phrase, without restating the name, without circularity and without embedding the definition of another concept (ISO/IEC 11179-4:2023).
How it is assessed: Answers a written question on the data definition rules correctly
Related knobits
Builds on
Needed for
All 12 knobits of Describe the catalogue entries.
Source: Practice the stage 4 reference and review checklist rest on