constructible set造句

Then the image of any constructible set under " f " is constructible.
In a topological space, every constructible set contains a dense open subset of its closure.
Constructible sets appear naturally in many questions, from high-school problems to advanced research topics.
However, some statements that are true about constructible sets are not consistent with hypothesized large cardinal axioms.
A d-constructible set is a finite union of closed and open sets in the Kolchin topology.
It's difficult to find constructible set in a sentence. 用constructible set造句挺难的

The "'ConstructibleSetTools "'subpackage provides a large set of commands for manipulating constructible sets.
In broad terms, a constructible set is the solution set of a system of polynomial equations and inequations.
The geometric content of this statement is that the projection of a d-constructible set is d-constructible.
Despite the terminology being similar, the constructible topology is not the same as the set of all constructible sets.
Constructible sets are the fundamental objects of Algebraic Geometry, and they play there the role that ideals play in Polynomial Algebra.
This is in some sense the simplest possibility for a non-constructible set, since all ? and ? sets of integers are constructible.
In particular, the image of a variety need not be a variety, but is ( under the assumptions ) always a constructible set.
Equivalently, a d-constructible set is the set of solutions to a quantifier-free, or atomic, formula with parameters in " K ".
Dana Scott and constructible sets was an unnecessary complication, and could be replaced by a simpler construction similar to John von Neumann's construction of the universe as a union of sets for ordinals.
However in this case the class of all constructible sets plays the same role as the minimal model and has similar properties ( though it is now a proper class rather than a countable set ).

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