| 21. | This involution follows the reverse stages to the sequence of evolution-e . g.
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| 22. | Middle crisscross fibres act as living ligature during involution of uterus and prevent blood loss.
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| 23. | After involution ( the uterus returning to pre-pregnancy size ) due to infection.
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| 24. | Further involution of consciousness makes the soul experience the " third plane ".
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| 25. | An involution is a permutation ? so that ? 2 = 1 under permutation composition.
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| 26. | This generalizes the concept of an involution.
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| 27. | The final is constructed from the non-split octonions using a different standard involution.
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| 28. | It remains to construct the involution, which we call " f ".
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| 29. | The remaining cases are constructed uniformly by Koecher using involutions of simple Euclidean Jordan algebras.
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| 30. | There is an associated involution on which gives rise to a complex inner product on.
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