Explains the meaning of the set operations union and intersection
Describes the union as the set of elements that belong to at least one of the sets, and the intersection as the set of elements that belong to both; does not cover difference or complement.
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 | 87% | Not shown |
| gemini-3.5-flash-lite | Low cost | 88% | Not shown |
| gpt-6-luna | Low cost | 85% | Not shown |
| claude-haiku-5-5 | Low cost | 85% | 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: An explanation of the meaning of union and intersection, with an example
How it is assessed: Tells union from intersection and gives a correct example of each
Also known as: Selgitab hulgatehete ühendi ja ühisosa tähendust
Related knobits
Needed for
All knobits of Data quality.
Source: Copy of k12 knobit K-1 of the Estonian national curriculum register matemaatika (product k12-curriculum, skills/knobits/k12/matemaatika.yaml), GRÕK lisa 5, kitsas matemaatika I kursus, õpitulemus 1; fingerprint translated from Estonian