It is, that's a valid argument.
这是个有效论点。
This is a valid and natural approach.
这是一种可行且自然的方法。
Actually a valid argument doesn't have true premises and true conclusion what is a valid argument?
实际上一个有效论点没有真前提和真结论，什么是有效论点呢？
That prevents us from so naively accepting as valid a "blurred model" for representing reality.
这样便能够避免本人们天真地把一些“含糊模型”当作是可以真正代表理想的模型。
That's right. So if you have a valid argument a deductively valid argument in which the conclusion is false then you know one of the premises must be false.
对，所以如果论点有效，一个演绎的有效论点中结论是假的，你就知道前提中有一项是假的。
A pharmacist can fill any prescription if, in his or her judgment, the prescription is valid.
一名药剂师可以供应任何处方上的药，如果他或她认为药方有效的话。
You are in violation of the law—driving without a valid license.
你在没有有效驾照的情况下开车是违法的。
All customers travelling on TransLink services must be in possession of a valid ticket before boarding.
所有使用联运服务的乘客在登机前必须持有有效机票。
They believed, correctly, that IQ tests are a valid method of evaluating children for special education classes.
他们相信，IQ测试是评估孩子是否适合特殊教育课程的有效方法，这是正确的。
The London Travel Card is a paper ticket that is valid on all London public transport.
伦敦旅游卡是一张纸质票，在伦敦所有公共交通工具上都有效。
An analysis based on such assumptions could be valid for a highly competitive, individualistic society.
基于这种假设的分析可能对一个高度竞争、个人主义的社会有效。
They have a valid claim to compensation.
他们有要求赔偿的合法权利。
Most designers share the unspoken belief that fashion is a valid form of visual art.
大多数设计师都有一种心照不宣的信念，即时尚是视觉艺术的一种重要形式。
Here's the ticket for not having a valid license.
这是对未持有有效执照的罚单。
If you have a solid base for your knowledge claims, then your knowledge structure is more likely to be strong, valid, true.
如果你的知识有坚实的基础，那么你的知识结构就更有可能强大、有效、真实。
You must show proof of a comprehensive health insurance valid in the target country for the entire period of the internship.
在整个实习期间，必须出示所在国家有效的综合医疗保险证明。
They practice various things for overseas travel, only to realize that none of them has a valid passport.
他们为出国旅行实践了各种各样的事情，然而才意识到他们都没有有效的护照。
A valid GWT application, but how to test it?
一个有效的GWT应用程序，但是如何测试它？
To do this, you need to create a valid request.
要执行此操作，您需要创建一个有效的请求。
Error message: This is not a valid model definition.
错误信息：这不是一个有效的模型定义。
Provide a valid password for the user.
为用户提供一个有效的密码。
This is perfectly valid, because a package can contain other packages.
这是非常有效的，因为一个包可以包含其它包。
Provide a valid password for the username.
为这个用户名提供有效的密码。
Additionally, for each row, we will return a valid XML document containing a root element only.
另外，对于每一行，返回一个有效的XML文档，其中只包含一个根元素。
Are those considerations valid for a social media strategy outside the organization as well?
这些思考对组织外部的社会媒体战略也有效么？
The SSCC is valid for a maximum period of 6 months.
船舶卫生控制措施证书最长有效期为6个月。
Log in with a valid Portal user id.
使用有效的门户用户ID登录。
The woman who asked this, asked a valid question.
问这个问题的女士所问的问题是有效的。
A valid new order has been stored.
存储了有效的新订单。
A valid new order has been stored.
存储了有效的新订单。
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