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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is that valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is that valid" is correct and usable in written English.
You can use it when questioning the legitimacy or correctness of a statement, argument, or idea. Example: "I understand your reasoning, but is that valid in the context of our discussion?"
✓ Grammatically correct
Academia
Formal & Business
News & Media
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Or is that 39?
News & Media
How is that £13.5m asset looking now?
News & Media
One limitation here is that Screen1 cannot be renamed.
How is that #42?
News & Media
How cool is that?! 5.
News & Media
THE PRESIDENT: What page is that-36?
Academia
What's that? 10, 11 atoms across?
It's that 0 to 30 that's bad.
News & Media
So what was that 10,000th post?
News & Media
"There is that Catch-22," he said.
News & Media
The first is that McCain 2000 lost.
News & Media
Expert writing Tips
Best practice
Consider your audience and the formality of the situation. While generally acceptable, more formal settings might benefit from alternatives such as "is that justifiable" or "is that substantiated".
Common error
Avoid using "is that valid" as a rhetorical question when you're actually making an assertive statement. Instead of "Is that valid? Clearly not!" consider stating directly: "That is clearly not valid."
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is that valid" functions primarily as an interrogative phrase used to question the legitimacy, soundness, or justification of a statement, argument, or action. It prompts a critical evaluation of the underlying basis or reasoning.
Frequent in
News & Media
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Science
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Formal & Business
0%
Less common in
Academia
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Encyclopedias
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Wiki
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Ludwig's WRAP-UP
In summary, the phrase "is that valid" serves as an interrogative expression used to question the legitimacy or soundness of a statement or argument. Ludwig AI indicates that the phrase is grammatically correct. While versatile, its usage should be aligned with the context and intended level of formality. Consider alternative phrases like "is that legitimate" or "is that accurate" to fine-tune the message. When using this phrase, ensure that the context supports a clear assessment of validity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Is that legitimate?
Replaces "valid" with "legitimate", implying a focus on legality or authenticity.
Is that accurate?
Focuses on the truthfulness or correctness of the statement.
Is that correct?
Similar to "accurate", but can also refer to adherence to a standard or rule.
Does that hold up?
More informal, suggesting an inquiry into the sustainability or resilience of an argument.
Is that justifiable?
Shifts the focus to whether there is sufficient reason or grounds for something.
Is that reasonable?
Questions whether something aligns with logic or common sense.
Is that sound?
Implies an assessment of the logical coherence and reliability of something, often an argument or method.
Is that well-founded?
Asks whether a claim or belief is based on solid evidence or reasoning.
Is that permissible?
Focuses on whether something is allowed or authorized.
Is that admissible?
Common in legal contexts, questioning whether evidence or testimony can be formally presented.
FAQs
How can I rephrase "is that valid" to sound more formal?
For a more formal tone, consider using phrases such as "is that justifiable", "is that substantiated", or "is that defensible", depending on the nuance you wish to convey.
What's the difference between "is that valid" and "is that correct"?
"Is that valid" questions the legitimacy or soundness of something, while "is that correct" focuses on accuracy or adherence to facts. Validity concerns the basis or justification, while correctness concerns truth or precision.
In what situations is it appropriate to use "is that valid"?
Use "is that valid" when you want to question the basis, justification, or logical soundness of an argument, claim, or action. It's suitable in discussions where you need to examine the underlying reasons or principles.
What are some common mistakes to avoid when using "is that valid"?
Avoid using "is that valid" as a purely rhetorical question without providing a clear reason for questioning the validity. Make sure the context allows for a genuine assessment, rather than just expressing disagreement.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested