# OCME ยท 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. 25 results; page 1/1. ## Question 9876: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0001`; number: 9876 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0001/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0001/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0001.json) ## Question 9877: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0002`; number: 9877 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0002/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0002/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0002.json) ## Question 9878: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0003`; number: 9878 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0003/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0003/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0003.json) ## Question 9879: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0004`; number: 9879 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0004/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0004/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0004.json) ## Question 9880: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0005`; number: 9880 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0005/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0005/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0005.json) ## Question 9881: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0006`; number: 9881 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0006/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0006/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0006.json) ## Question 9882: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0007`; number: 9882 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0007/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0007/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0007.json) ## Question 9883: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0008`; number: 9883 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0008/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0008/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0008.json) ## Question 9884: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0009`; number: 9884 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0009/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0009/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0009.json) ## Question 9885: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0010`; number: 9885 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0010/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0010/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0010.json) ## Question 9886: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0011`; number: 9886 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0011/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0011/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0011.json) ## Question 9887: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0012`; number: 9887 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0012/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0012/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0012.json) ## Question 9888: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0013`; number: 9888 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0013/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0013/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0013.json) ## Question 9889: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0014`; number: 9889 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0014/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0014/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0014.json) ## Question 9890: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0015`; number: 9890 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0015/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0015/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0015.json) ## Question 9891: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0016`; number: 9891 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0016/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0016/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0016.json) ## Question 9892: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0017`; number: 9892 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0017/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0017/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0017.json) ## Question 9893: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0018`; number: 9893 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0018/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0018/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0018.json) ## Question 9894: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0019`; number: 9894 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0019/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0019/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0019.json) ## Question 9895: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0020`; number: 9895 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0020/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0020/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0020.json) ## Question 9896: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0021`; number: 9896 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0021/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0021/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0021.json) ## Question 9897: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0022`; number: 9897 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0022/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0022/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0022.json) ## Question 9898: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0023`; number: 9898 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0023/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0023/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0023.json) ## Question 9899: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0024`; number: 9899 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0024/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0024/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0024.json) ## Question 9900: Open, Closed, Both, or Neither in One Fixed Topology - ID: `q-20261013-advance-20261019-r01-open-closed-set-0025`; number: 9900 - Processing: second_context_reviewed - MKO: [mko-open-closed-set](/en/mko/mko-open-closed-set/) - Family: [qf-ext19-openclosed-status](/en/explore/?family=qf-ext19-openclosed-status) - 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-0025/) / [Markdown](/en/questions/q-20261013-advance-20261019-r01-open-closed-set-0025/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261019-r01-open-closed-set-0025.json)