Word · Frequency #16631
invalidity
逻辑无效;推理不成立
核心释义
此处特指逻辑推理上的无效,不是泛指失效或病弱。
illogicality as a consequence of having a conclusion that does not follow from the premisses
- 1.
无效的状态;缺乏有效性。
The state of being invalid; lack of validity.
无效的状态;缺乏有效性。;无效;无价值;病弱;[医] 病废;劳动能力丧失
用法In use
The teacher explained the invalidity of the argument by showing that the conclusion did not follow from the evidence.
用法提示:invalidity 是名词,指“推理无效”,此处作 explained 的宾语。
You cannot prove the invalidity of his reasoning just because you disagree with the result.
用法提示:invalidity 为名词,表示“逻辑上的无效性”,与 reasoning 搭配。
The article pointed out several invalidities in the popular explanation of the economic trend.
用法提示:invalidities 是 invalidity 的复数形式,指“多处推理无效”。
the invalidity of sth
常用结构,后接被判断为无效的对象(如论证、结论等)。
The invalidity of his argument was immediately apparent.
他的论证的无效性立即显而易见。
sth's invalidity
相关词与表达Connections
搭配Collocations
- logical invalidity
- 逻辑无效;推理不成立
- The philosopher demonstrated the logical invalidity of the argument.这位哲学家指出了该论点的逻辑无效性。
- invalidity of a claim
- 主张无效;说法不成立
- The invalidity of his claim became obvious after a quick check.经过快速核查,他的主张显然不成立。
- declare the invalidity
- 宣布……无效
- The court declared the invalidity of the resolution.法院宣布该决议无效。
- invalidity of a contract
- 合同无效
- The lawyer argued for the invalidity of the contract.律师主张该合同无效。
- invalidity of a premise
学习提示Learner notes
记忆技巧Memory Tip
联想 invalid(无效的/病弱者)加名词后缀 -ity,就是“无效;病弱”,像病弱者失去劳动能力。
语境与语域Context & Register
语域:formal 常见场景:formal logic、legal argumentation、academic writing 这个词表示论证或推理不成立,通常用于逻辑学、哲学和法律等正式书面语境;日常口语中更常说 not valid 或 doesn't hold。
语法说明Grammar Note
复数形式为 invalidities。
发音与拼写Pronunciation & Spelling
这些词都以 -ity 结尾,重读元音都是 /ɪ/,后面的音都是 /dɪti/(或 /dəti/),所以与 invalidity /ˌɪnvəˈlɪdɪti/ 押韵。注意:invalidity 与 invalid 拼写相近,但 invalid 读 /ɪnˈvælɪd/(指“无效的”)或 /ˈɪnvəlɪd/(指“体弱多病者”),重音元音不同,不押韵。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.