Internally, Z3 USES real algebraic Numbers for representing the solution.

在内部，Z3使用真实代数数字用于表示解。

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Then he considers the case of algebraic numbers and obtains some results like the following: Every real algebraic number field of finite degree is non-inductive;

然后着重在代数范围内进行讨论，得到下列的结果：每个有限次实代数数域都不是归纳域；

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