# 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.

100 results; page 3/4.

## Question 9851: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0076`; number: 9851
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0076/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0076/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0076.json)

## Question 9852: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0077`; number: 9852
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0077/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0077/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0077.json)

## Question 9853: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0078`; number: 9853
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0078/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0078/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0078.json)

## Question 9854: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0079`; number: 9854
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0079/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0079/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0079.json)

## Question 9855: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0080`; number: 9855
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0080/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0080/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0080.json)

## Question 9856: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0081`; number: 9856
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0081/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0081/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0081.json)

## Question 9857: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0082`; number: 9857
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0082/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0082/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0082.json)

## Question 9858: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0083`; number: 9858
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0083/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0083/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0083.json)

## Question 9859: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0084`; number: 9859
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0084/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0084/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0084.json)

## Question 9860: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0085`; number: 9860
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0085/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0085/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0085.json)

## Question 9861: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0086`; number: 9861
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0086/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0086/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0086.json)

## Question 9862: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0087`; number: 9862
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0087/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0087/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0087.json)

## Question 9863: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0088`; number: 9863
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0088/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0088/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0088.json)

## Question 9864: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0089`; number: 9864
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0089/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0089/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0089.json)

## Question 9865: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0090`; number: 9865
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0090/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0090/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0090.json)

## Question 9866: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0091`; number: 9866
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0091/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0091/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0091.json)

## Question 9867: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0092`; number: 9867
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0092/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0092/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0092.json)

## Question 9868: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0093`; number: 9868
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0093/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0093/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0093.json)

## Question 9869: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0094`; number: 9869
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0094/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0094/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0094.json)

## Question 9870: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0095`; number: 9870
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0095/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0095/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0095.json)

## Question 9871: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0096`; number: 9871
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0096/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0096/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0096.json)

## Question 9872: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0097`; number: 9872
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0097/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0097/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0097.json)

## Question 9873: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0098`; number: 9873
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0098/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0098/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0098.json)

## Question 9874: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0099`; number: 9874
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0099/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0099/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0099.json)

## Question 9875: Empty Families and Qualified Closure Premises

- ID: `q-20261013-advance-20261019-r01-open-closed-set-0100`; number: 9875
- Processing: second_context_reviewed
- MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/)
- Family: [qf-ext19-openclosed-family-closure](/en/explore/?family=qf-ext19-openclosed-family-closure)
- Batch: [batch-20261013-advance-20261019-r01-open-closed-set-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r01-open-closed-set-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0100/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0100/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0100.json)

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