形容词authorizedcogentadequateestablishedproventruegoodlegaleffectivewell-groundedlawfulsound

形容词invalidfalsefallacious

1. Her argument is valid.
    她的论点是站得住脚的。

2. The ticket is valid for one month.
    这票子一个月内有效。

1. 正确的：正理学派所构作的这个两难式的论证,固然是正确的( valid )论证,但是,问题是它的三个前提都是真的吗?依 据逻辑原理,一个正确的论证,如果出现了假的前提,其结 论仍然有可能是错误的. 我人将在下文介绍龙树的观点;依照他的观点,

2.

2. 合法：HTML 面向文本、信息发布,HTML 容许混乱;XML 面向数据、数据处理,XML 要求工整(well-formed)合法(Valid用户可用 XML 创建自己的 HTML. 中国站长.站版权申明:本站文章均来自网络.5、XML 是信息的对象化语言.

1. 有根据的;正当的;合理的
    A valid argument, comment, or idea is based on sensible reasoning.

valid

    e.g. They put forward many valid reasons for not exporting...
           他们提出了很多不出口的正当理由。
    e.g. It is valid to consider memory the oldest mental skill, from which all others derive...
           我们有理由认为记忆是最原始的心智技能，所有其他技能都在此基础上衍生出来。

2. 有意义的;有效的
    Something that is valid is important or serious enough to make it worth saying or doing.

    e.g. Most designers share the unspoken belief that fashion is a valid form of visual art.
           大多数设计者都认同这样一种不言而明的理念，即时尚是视觉艺术的一种重要形式。

3. （票证等）有效的
    If a ticket or other document is valid, it can be used and will be accepted by people in authority.

valid的反义词

    e.g. For foreign holidays you will need a valid passport...
           出国度假需持有效护照。
    e.g. All tickets are valid for two months.
           所有的票在两个月内有效。

4. see also: validity

1. still legally acceptable

    e.g. the license is still valid

2. well grounded in logic or truth or having legal force

    e.g. a valid inference
           a valid argument
           a valid contract