# OCME · Knowledge & practice explorer

302 MKO / 1,441 families / 360 batches / 36,000 questions.

36,000 second-context math/bilingual reviewed; 0 display/symbol-checked candidates. Source questions: candidate. English: ai_candidate. No new proof, Lean, SREG or training.

1 results; page 1/1.

## Question 31976: Relative Complement in an Explicit Universe

- ID: `q-20260915-finite-relative-complement-0001`; number: 31976
- Processing: second_context_reviewed
- MKO: [mko-set-operations](/en/mko/mko-set-operations/)
- Family: [qf-finite-relative-complement](/en/explore/?family=qf-finite-relative-complement)
- Batch: [batch-20260915-finite-set-operations](/en/explore/?batch=batch-20260915-finite-set-operations)
- [Derivation](/en/questions/q-20260915-finite-relative-complement-0001/) / [Markdown](/en/questions/q-20260915-finite-relative-complement-0001/index.md) / [JSON](/data/question-derivations/questions/q-20260915-finite-relative-complement-0001.json)