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
claim a is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "claim a is" is not correct in English and does not convey a clear meaning.
It seems to be an incomplete or incorrect construction that lacks context to be usable in written English. Example: "The claim a is not valid in this context."
⚠ May contain grammatical issues
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 examples from authoritative sources
Exact Expressions
2 human-written examples
Then we claim A is continuous from X to (X^).
Science
To determine whether some claim 'A is B' should be accepted, we compare A to the fa for B to see whether they are similar.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
A claim is a legal precursor to a civil lawsuit.
News & Media
Author claim an accuracy is 79.49 (20 error bound).
Science
A claim is a statement being inferred on the basis of experimental data analysis.
A claim is generally a precursor to a lawsuit.
News & Media
Even if a claim is defeated, the costs involved in defending a claim are exorbitant.
News & Media
Before a health claim is authorized, a petition containing the scientific evidence supporting the claim is reviewed by FDA.
Science
Such a claim is disingenuous.
News & Media
Such a claim is palpably absurd.
News & Media
Such a claim is fraught with statistical perils, however.
News & Media
Expert writing Tips
Best practice
Ensure that every claim is supported by verifiable evidence.
Common error
Avoid using fragmented phrases like "claim a is". Always ensure your claim is a complete, grammatically correct sentence with a clear subject and verb.
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "claim a is" is not grammatically functional as it stands. It is an incomplete phrase that requires further words to form a coherent statement. Ludwig AI identifies it as an incorrect construction.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "claim a is" is grammatically incorrect and requires reconstruction to form a meaningful statement. As indicated by Ludwig AI, it is an incomplete phrase that lacks context. Instead, consider alternatives like "assert that a is" or "state that a is" to express your intended meaning correctly. Always ensure your claims are complete sentences with proper grammatical structure.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
assert that a is
Replaces "claim" with "assert" and maintains the core meaning of stating something as true.
state that a is
Uses "state" instead of "claim" to convey a more neutral declaration.
allege that a is
Substitutes "claim" with "allege", implying a lack of proof or evidence.
contend that a is
Replaces "claim" with "contend", suggesting a more forceful assertion.
maintain that a is
Uses "maintain" instead of "claim" to express a consistent and unwavering belief.
posit that a is
Replaces "claim" with "posit", indicating a starting point for an argument or theory.
hypothesize that a is
Substitutes "claim" with "hypothesize", suggesting a tentative explanation or prediction.
the assertion that a is
Rephrases the statement as a noun phrase using "assertion" to refer to the claim.
the proposition that a is
Uses "proposition" instead of "claim" to refer to the statement being presented.
it is alleged that a is
Changes the sentence structure to a passive form using "allege" to express uncertainty.
FAQs
How can I properly structure a claim in a sentence?
A claim should be a complete sentence that includes a subject, verb, and a clear statement of what you are asserting. For instance, instead of "claim a is", try "The claim is valid because..." or "The author claims that this is true".
What are better alternatives to the ungrammatical phrase "claim a is"?
Instead of "claim a is", you can use alternatives such as "assert that a is", "state that a is", or "allege that a is" depending on the context.
Is it grammatically correct to say "claim a is"?
No, the phrase "claim a is" is not grammatically correct in English. It is an incomplete construction that needs to be rephrased for clarity and correctness. A proper sentence structure is required to make a valid claim.
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
60%
Authority and reliability
1/5
Expert rating
Real-world application tested