| 单词 | valid |
| 释义 | Word Frequency valid(ˈvælɪd) adjective 1. having some foundation; based on truth 2. legally acceptable a valid licence 3. a. having legal force; effective b. having legal authority; binding 4. having some force or cogency a valid point in a debate 5. logic (of an inference or argument) having premises and conclusion so related that whenever the former are true the latter must also be true, esp (formally valid) when the inference is justified by the form of the premises and conclusion alone. Thus Tom is a bachelor; therefore Tom is unmarried is valid but not formally so, while today is hot and dry; therefore today is hot is formally valid Compare invalid2 (sense 2)6. archaic healthy or strong Derived forms validity (vəˈlɪdɪtɪ) or validness (ˈvalidness) noun validly (ˈvalidly) adverb Word origin C16: from Latin validus robust, from valēre to be strong |
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