| 21. | One notable difference is that the Riemann Lebesgue lemma fails for measures.
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| 22. | For this inductive step, we need the following lemma.
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| 23. | By the Poincar?lemma, this complex is locally exact except at.
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| 24. | Let C be the constant form of the prior lemma.
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| 25. | In that case, Jensen's covering lemma holds:
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| 26. | The lemma establishes an important property for solving the problem.
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| 27. | There exists a Pumping lemma for context-free languages.
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| 28. | Therefore, the original Sperner lemma follows from Musin's theorem.
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| 29. | Schur's lemma is frequently applied in the following particular case.
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| 30. | For example, one has the following upper bound with the lemma:
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