n. 1.正确，正当，妥当，确实性。 2.【法律】有效，真确，合法性。 3.【哲学】效准。 短语和例子 the term of validity 有效期间。
the quality of being valid and rigorous 同义词：cogency, rigor, rigour,
the quality of having legal force or effectiveness 同义词：validness,
the property of being strong and healthy in constitution 同义词：robustness, hardiness, lustiness,
In logic, an argument is valid if and only if its conclusion is logically entailed by its premises and each step in the argument is logical. A formula is valid if and only if it is true under every interpretation, and an argument form (or schema) is valid if and only if every argument of that logical form is valid.
例句与用法
1.
The validity of the hypothesis can be tested . 这种假说的可靠性是经得起考验的。
2.
The validity of such numerology is an open question . 这种数字学的真实性是一个公开的问题。
3.
We shall now investigate the validity of these equations . 我们现在来研究这些方程是否成立。
4.
The validity of such numerology is an open question . 如此的数字学的真实性还是一个值得探讨的问题。
5.
The validity of this assumption was investigated by podolry . 波多尔奈氏对这个假定的适用性进行了研究。
6.
A good critical theory, nevertheless, has its own kind of validity . 不过，好的批评理论有它自己的正确性。
7.
Physicists believe in the validity of conservation laws . 物理学家们对于各种守恒定律的有效性一直是坚信不疑的。
8.
Quantum mechanics and relativity have revealed the boundaries of validity of classical mechanics . 量子力学和相对论，揭示了经典力学的适用范围。
9.
Even though the entire imagery had to be changed, the validity of those equations persisted . 纵使整个形象的描述都必须加以改变，这些方程也继续有效。
10.
Doubts were expressed concerning the validity and reliability of the primary measuring instrument . 人们对最初的测量工具的效度和信度产生了一些怀疑。
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