Used and loved by millions
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 this valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is this valid" is correct and usable in written English.
You can use it when questioning the legitimacy or correctness of something, such as a statement, argument, or document. Example: "Before we proceed with the project, I need to ask, is this valid according to the guidelines we received?"
✓ Grammatically correct
News & Media
Science
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
Is this valid?
News & Media
Is this valid information or just a freak show?
News & Media
They put the questionable charge in abeyance, and the company contacts you, asking, Is this valid?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
But is this argument valid?
News & Media
And is this reasoning valid?
Or is this even a valid question?
News & Media
But is this argument statistically valid?
News & Media
How valid is this expectation?
This is a valid conversation, but this is not the right venue to have it".
News & Media
This is valid in this framework.
Science
This is a valid criticism.
News & Media
Expert writing Tips
Best practice
When using "is this valid" in formal writing, ensure the context clearly indicates what is being questioned. Provide specific details or references to avoid ambiguity.
Common error
Avoid using "is this valid" as a standalone question without specifying what aspect you are questioning. For example, instead of just saying "Is this valid?", specify "Is this data valid for our analysis?" to provide clarity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is this valid" primarily functions as an interrogative expression. It's used to question the truth, accuracy, or legitimacy of something. As Ludwig AI points out, it is a question phrase that seeks confirmation or verification. Examples show it questioning the validity of arguments, information, and practices.
Frequent in
News & Media
33%
Science
33%
Academia
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is this valid" is a grammatically sound and frequently used interrogative expression that serves to question the truth, accuracy, or legitimacy of something. According to Ludwig AI, it is a standard question phrase that is correct and usable. Its usage spans various contexts, including News & Media, Science, and Academia, indicating its versatility. While generally neutral in register, it is crucial to specify the subject of inquiry to avoid ambiguity. Related phrases such as "is this legitimate" and "is this acceptable" offer alternative ways to express the same intent, each with subtle differences in nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is this legitimate
Replaces "valid" with "legitimate", focusing on the lawfulness or authenticity of something.
is this acceptable
Substitutes "valid" with "acceptable", questioning whether something meets a certain standard or is satisfactory.
is this justifiable
Replaces "valid" with "justifiable", inquiring whether there is sufficient reason or evidence to support something.
is this correct
Substitutes "valid" with "correct", questioning the accuracy or truthfulness of something.
is this accurate
Replaces "valid" with "accurate", asking whether something is free from error.
is this sound
Replaces "valid" with "sound", questioning whether an argument or reasoning is logically correct and well-founded.
is this reasonable
Substitutes "valid" with "reasonable", inquiring whether something is logical and sensible.
is this well-founded
Questions whether something has a solid basis or justification.
does this hold up
Uses a more idiomatic expression to question the validity or sustainability of something.
does this make sense
Asks whether something is logical or comprehensible.
FAQs
How can I use "is this valid" in a sentence?
You can use "is this valid" to question the legitimacy or correctness of a statement, argument, or document. For example, "Is this valid according to the guidelines?"
What are some alternatives to "is this valid"?
Alternatives include "is this legitimate", "is this acceptable", or "is this justifiable", depending on the specific context.
When is it appropriate to use the phrase "is this valid"?
It's appropriate when you need to verify the accuracy, legality, or logical soundness of something, especially in formal or professional settings.
What's the difference between "is this valid" and "is this correct"?
"Is this valid" implies a broader assessment of legitimacy or justification, while "is this correct" focuses more narrowly on factual accuracy.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested