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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
a key claim
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key claim" is correct and usable in written English.
You can use it when referring to an important assertion or statement that is central to an argument or discussion. Example: "In her research paper, she presented a key claim that challenges the existing theories on climate change."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
a central assertion
a core argument
a primary contention
a fundamental assertion
a significant argument
a crucial point
a pivotal statement
a central characterization
a central claim
a central conclusion
a central notion
a central argument
a central representation
a central position
a central point
a main thesis
a fundamental premise
a central statement
a central assumption
a central observation
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
12 human-written examples
A key claim is that it activates and strengthens "core" abdominal muscles, which is probably true.
News & Media
The row between the Government and the BBC was ignited when Mr Campbell reacted furiously to a report by Andrew Gilligan on the Today programme implying that he had inserted a key claim in the dossier stating weapons could be launched in 45 minutes.
News & Media
The panel also discovered that a key claim in the paper, that only 185 eggs were used to create the 11 stem cell lines, was false.
Science & Research
A key claim in Descartes's argument is that "the fact that I can clearly and distinctly understand one thing apart from another is enough to make me certain that the two things are distinct" (Descartes 1641a, 2.54).
Science
A key claim in Fodor's work is that when it comes to circumscribing the consequences of an action, just as in the business of theory confirmation in science, anything could be relevant (Fodor 1983, 105).
Science
A key claim made in this paper is that centrality measures can be regarded as generating expected values for certain kinds of node outcomes (such as speed and frequency of reception) given implicit models of how traffic flows, and that this provides a new and useful way of thinking about centrality.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
The Catch A Key Argument In Denying Claims Some securities lawyers and regulators say that the arguments used by the corporation to justify the denial of Mr. Heebner's claim for more than four years are characteristic of the corporation's approach to investor protection.
News & Media
They argued that a law Key claimed would protect New Zealanders, actually allowed a loophole that the NSA and GCSB both acknowledged would complete phase 2 of something called Operation Speargun.
News & Media
12.29pm: Here are a few key claims we have pulled out so far in relation to Ashley Highfield, who was Future Media & Technology head before Erik Huggers took over as Highfield left to take over the Kangaroo web TV project.
News & Media
Even Brexit supporters admit that this key claim was a lie.
News & Media
Why did the trial judge not automatically disqualify a juror who seemed hostile to a key defense claim?
News & Media
Expert writing Tips
Best practice
When introducing "a key claim", ensure it's clearly defined and supported with evidence to enhance credibility.
Common error
Avoid presenting every claim as "a key claim". Reserve this phrase for truly central arguments to maintain its impact.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
A key claim functions as a noun phrase, typically serving as the subject or object complement in a sentence. It introduces a significant assertion or argument. Ludwig AI confirms its typical role based on example sentences.
Frequent in
Science
40%
News & Media
40%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a key claim" is a useful phrase for introducing essential assertions in various contexts, including science and news media. Ludwig AI classifies it as grammatically correct and commonly used. When using this phrase, it's best practice to clearly define and support the claim with evidence. Overusing the phrase, however, can diminish its impact. Alternatives like "a central assertion" or "a core argument" can add variety to your writing. Remember, a well-supported "a key claim" strengthens your overall argument.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a central assertion
Replaces "key" with "central", highlighting the importance of the claim.
a main assertion
Replaces "key" with "main", emphasizing the principal nature of the claim.
the most important claim
Adds more emphasis on importance.
a fundamental assertion
Highlights the foundational nature of the assertion.
a core argument
Substitutes "claim" with "argument", framing it as a foundational point.
a critical argument
Emphasizes the importance of the argument using "critical".
a primary contention
Uses "contention" instead of "claim", suggesting a point of debate.
a significant argument
Indicates the considerable importance of the argument.
a crucial point
Shifts from "claim" to "point", focusing on significance.
a pivotal statement
Replaces "claim" with "statement", and "key" with "pivotal", suggesting a turning point.
FAQs
How can I effectively use "a key claim" in a sentence?
Use "a key claim" to introduce an essential assertion or argument in your text. For instance, "A key claim of this study is that early intervention can significantly improve outcomes."
What are some alternatives to using "a key claim"?
Alternatives include "a central assertion", "a core argument", or "a primary contention". Choose the one that best fits the context and your writing style.
Is there a difference between "a key claim" and "an important claim"?
"A key claim" suggests a more fundamental or essential role in the argument, whereas "an important claim" simply highlights significance.
How can I ensure my "key claims" are convincing?
Support your "key claims" with robust evidence, logical reasoning, and clear explanations. Address potential counterarguments and provide credible sources.
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested