initial ordinal造句

例句与造句

1. Every regular ordinal is the initial ordinal of a cardinal.
2. The least of these is its initial ordinal.
3. The ?-th infinite initial ordinal is written \ omega _ \ alpha.
4. If the axiom of choice holds, every cardinal number has an initial ordinal.
5. The least ordinal of cardinality ( i . e ., the initial ordinal ) is.
6. It's difficult to find initial ordinal in a sentence. 用initial ordinal造句挺难的
7. Infinite initial ordinals are limit ordinals.
8. So as an ordinal, an infinite initial ordinal is an extremely strong kind of limit.
9. A regular ordinal is always an initial ordinal, though some initial ordinals are not regular.
10. A regular ordinal is always an initial ordinal, though some initial ordinals are not regular.
11. An ordinal that is equal to its cofinality is called regular and it is always an initial ordinal.
12. The least ordinal associated with a given cardinal is called the " initial ordinal " of that cardinal.
13. Any limit of regular ordinals is a limit of initial ordinals and thus is also initial but need not be regular.
14. Any limit of regular ordinals is a limit of initial ordinals and thus is also initial even if it is not regular, which it usually is not.
15. The axiom of choice is equivalent to the statement that every set can be well-ordered, i . e . that every cardinal has an initial ordinal.
16. In theories with the axiom of choice, the cardinal number of any set has an initial ordinal, and one may employ the Von Neumann cardinal assignment as the cardinal's representation.
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