# 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 9451: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0076`; number: 9451
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0076/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0076/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0076.json)

## Question 9452: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0077`; number: 9452
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0077/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0077/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0077.json)

## Question 9453: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0078`; number: 9453
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0078/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0078/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0078.json)

## Question 9454: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0079`; number: 9454
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0079/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0079/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0079.json)

## Question 9455: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0080`; number: 9455
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0080/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0080/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0080.json)

## Question 9456: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0081`; number: 9456
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0081/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0081/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0081.json)

## Question 9457: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0082`; number: 9457
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0082/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0082/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0082.json)

## Question 9458: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0083`; number: 9458
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0083/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0083/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0083.json)

## Question 9459: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0084`; number: 9459
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0084/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0084/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0084.json)

## Question 9460: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0085`; number: 9460
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0085/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0085/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0085.json)

## Question 9461: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0086`; number: 9461
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0086/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0086/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0086.json)

## Question 9462: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0087`; number: 9462
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0087/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0087/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0087.json)

## Question 9463: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0088`; number: 9463
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0088/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0088/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0088.json)

## Question 9464: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0089`; number: 9464
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0089/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0089/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0089.json)

## Question 9465: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0090`; number: 9465
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0090/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0090/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0090.json)

## Question 9466: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0091`; number: 9466
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0091/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0091/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0091.json)

## Question 9467: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0092`; number: 9467
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0092/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0092/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0092.json)

## Question 9468: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0093`; number: 9468
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0093/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0093/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0093.json)

## Question 9469: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0094`; number: 9469
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0094/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0094/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0094.json)

## Question 9470: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0095`; number: 9470
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0095/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0095/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0095.json)

## Question 9471: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0096`; number: 9471
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0096/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0096/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0096.json)

## Question 9472: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0097`; number: 9472
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0097/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0097/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0097.json)

## Question 9473: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0098`; number: 9473
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0098/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0098/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0098.json)

## Question 9474: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0099`; number: 9474
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0099/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0099/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0099.json)

## Question 9475: Open Images versus Open Preimages

- ID: `q-20261013-advance-20261019-r03-topological-continuity-0100`; number: 9475
- Processing: second_context_reviewed
- MKO: [mko-topological-continuity](/en/mko/mko-topological-continuity/)
- Family: [qf-ext19-continuity-open-map-contrast](/en/explore/?family=qf-ext19-continuity-open-map-contrast)
- Batch: [batch-20261013-advance-20261019-r03-topological-continuity-foundations](/en/explore/?batch=batch-20261013-advance-20261019-r03-topological-continuity-foundations)
- [Derivation](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0100/) / [Markdown](/en/questions/q-20261013-advance-20261019-r03-topological-continuity-0100/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r03-topological-continuity-0100.json)

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