# OCME · 知識與練習查找 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 2/4. ## 第 20326 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0076`; number: 20326 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0076/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0076/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0076.json) ## 第 20327 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0077`; number: 20327 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0077/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0077/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0077.json) ## 第 20328 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0078`; number: 20328 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0078/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0078/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0078.json) ## 第 20329 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0079`; number: 20329 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0079/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0079/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0079.json) ## 第 20330 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0080`; number: 20330 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0080/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0080/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0080.json) ## 第 20331 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0081`; number: 20331 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0081/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0081/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0081.json) ## 第 20332 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0082`; number: 20332 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0082/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0082/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0082.json) ## 第 20333 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0083`; number: 20333 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0083/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0083/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0083.json) ## 第 20334 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0084`; number: 20334 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0084/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0084/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0084.json) ## 第 20335 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0085`; number: 20335 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0085/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0085/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0085.json) ## 第 20336 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0086`; number: 20336 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0086/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0086/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0086.json) ## 第 20337 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0087`; number: 20337 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0087/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0087/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0087.json) ## 第 20338 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0088`; number: 20338 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0088/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0088/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0088.json) ## 第 20339 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0089`; number: 20339 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0089/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0089/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0089.json) ## 第 20340 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0090`; number: 20340 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0090/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0090/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0090.json) ## 第 20341 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0091`; number: 20341 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0091/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0091/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0091.json) ## 第 20342 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0092`; number: 20342 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0092/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0092/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0092.json) ## 第 20343 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0093`; number: 20343 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0093/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0093/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0093.json) ## 第 20344 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0094`; number: 20344 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0094/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0094/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0094.json) ## 第 20345 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0095`; number: 20345 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0095/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0095/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0095.json) ## 第 20346 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0096`; number: 20346 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0096/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0096/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0096.json) ## 第 20347 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0097`; number: 20347 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0097/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0097/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0097.json) ## 第 20348 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0098`; number: 20348 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0098/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0098/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0098.json) ## 第 20349 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0099`; number: 20349 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0099/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0099/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0099.json) ## 第 20350 題：鴿籠原理 - ID: `q-20261014-advance-20261107-r05-pigeonhole-principle-0100`; number: 20350 - Processing: second_context_reviewed - MKO: [mko-pigeonhole-principle](/zh-Hant/mko/mko-pigeonhole-principle/) - Family: [qf-mod38-pigeon-converse-boundary](/zh-Hant/explore/?family=qf-mod38-pigeon-converse-boundary) - Batch: [batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations](/zh-Hant/explore/?batch=batch-20261014-advance-20261107-r05-pigeonhole-principle-foundations) - [Derivation](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0100/) / [Markdown](/zh-Hant/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0100/index.md) / [JSON](/data/question-derivations/questions/q-20261014-advance-20261107-r05-pigeonhole-principle-0100.json) [Next](/zh-Hant/explore/index.md?mko=mko-pigeonhole-principle&page=3)