| 31. | These are exactly the ordinals of the form ? ?.
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| 32. | Natural numbers can be considered either as finite ordinals or finite cardinals.
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| 33. | In ZFC there cannot be a set of all ordinals.
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| 34. | An epsilon number indexed by a limit ordinal ? is constructed differently.
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| 35. | These variables could be dichotomous, ordinal or nominal variables.
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| 36. | We can imagine even larger ordinals that are still countable.
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| 37. | This ordinal invariant is well-defined for sequential spaces.
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| 38. | They may be continuous or discrete ordinal variables like counts.
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| 39. | :: Cantor's twin daughters, the Ordinals and Cardinals.
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| 40. | Ordinals of this form ( that is, epsilon numbers ".
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