例句與造句

1. Notice that the empty subset of a topological space is covered by the empty family of sets.
2. In a well-ordered set, every non-empty subset contains a distinct smallest element.
3. The empty subset is a valid graph since for every in the domain there is a unique in the codomain such that.
4. For example, suppose that " X " is the set of all non-empty subsets of the real numbers.
5. The basic premise of Noetherian induction is that every non-empty subset of " S " contains a minimal element.
6. It's difficult to find empty subset in a sentence. 用empty subset造句挺難的
7. This is the same as asking whether some subset of the coefficients ( other than the empty subset ) add up to zero.
8. This topology can be derived from the Vietoris topology construction, a topological structure on all non-empty subsets of a space.
9. A well-founded relation is characterized by the existence of a minimal element of every non-empty subset of its domain.
10. To give a proof of a " yes " instance, one must specify a non-empty subset that does sum to zero.
11. The problem is this : given a set ( or multiset ) of integers, is there a non-empty subset whose sum is zero?
12. If " f " is not onto, the complement of the image is a closed non-empty subset of the Riemann sphere.
13. As with ideals, for every non-empty subset of, there exists a smallest band containing that subset, called " the band generated by ".
14. An equivalent definition of a discrete matroid is a matroid in which every proper, non-empty subset of the ground set " E " is a separator.
15. A well-ordered set also has the least-upper-bound property, and the empty subset has also a least upper bound : the minimum of the whole set.
16. An additional simple but useful property leads to so-called "'well-orders "', for which all non-empty subsets have a minimal element.
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