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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
he challenges that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"he challenges that" is correct and usable in written English.
You can use this phrase to note that someone is asserting their opinion or a belief and is open to being challenged or proven wrong. For example, "He challenges that the end of the world is near, but can provide no evidence for his claim."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(5)
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
He challenges, that is, the extent to which the global institutions imposed by the wealthy are actually causally responsible.
Science
There is in every society a strand of thought that glories in the myth of rugged individualism [and] he challenges that notion.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
He now challenges that conviction on the ground that the jury was given improper instructions.
Academia
Then he challenged that description by saying: "No writer is nice.
News & Media
Some have speculated that when Mr. Fossett disappeared, he was scouting dry lake beds where he could challenge that record.
News & Media
He is now challenging that decision.
News & Media
He is now challenging that decision in court.
News & Media
He is not challenging that law, which is surely constitutional and does not require sex-offender registration.
News & Media
"I have to challenge that," he said.
News & Media
If we don't challenge that, he says, "surveillance becomes an underpinning logic on everything".
News & Media
He ruled, and anyone who challenged that rule was moved on.
News & Media
Expert writing Tips
Best practice
Use "he challenges that" to introduce a contrasting viewpoint or to signal a critical analysis of a previously stated idea. Ensure the context clearly indicates what is being challenged for maximum clarity.
Common error
Avoid using "he challenges that" without clearly specifying what aspect is being challenged. Vague references can lead to confusion and weaken the argument. Be explicit about the target of the challenge.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he challenges that" functions as a reporting verb construction used to introduce a statement that expresses disagreement, doubt, or opposition. This indicates that the subject ('he') is contesting the validity or accuracy of a particular claim or idea. Ludwig confirms its correctness and usability in written English.
Frequent in
News & Media
66%
Academia
17%
Science
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "he challenges that" is a grammatically correct and usable phrase, as confirmed by Ludwig, employed to express disagreement or questioning of a statement. It's most commonly found in News & Media, showcasing its utility in reporting and commentary. Although the phrase is not very common, it serves as a potent tool for introducing contrasting perspectives and initiating debate. Consider that being explicit about what's being challenged helps maximize clarity and avoid confusion. For related expressions, consider options like "he disputes that" or "he questions that" to add nuance to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
he disputes that
Replaces "challenges" with "disputes", indicating a formal disagreement or argument.
he questions that
Uses "questions" instead of "challenges", implying a seeking of clarification or raising doubts.
he contests that
Substitutes "challenges" with "contests", suggesting a more active and combative disagreement.
he refutes that
Replaces "challenges" with "refutes", indicating an attempt to prove something is false.
he objects to that
Changes the structure to "objects to", indicating a more direct opposition.
he contradicts that
Uses "contradicts" instead of "challenges", highlighting a direct opposition of statements.
he argues against that
Rephrases as "argues against", suggesting a reasoned opposition.
he opposes that view
Changes to "opposes that view", focusing on the disagreement with a specific viewpoint.
he expresses doubts about that
Uses a more descriptive phrase to convey skepticism.
he takes issue with that
Replaces with "takes issue with", indicating a disagreement or point of contention.
FAQs
How can I use "he challenges that" in a sentence?
Use "he challenges that" to introduce a counter-argument or express disagreement with a statement. For instance, "He challenges that the current economic policies are effective, citing rising unemployment rates".
What are some alternatives to saying "he challenges that"?
You can use alternatives like "he disputes that", "he questions that", or "he contests that" depending on the context and the intensity of the disagreement.
Is there a difference between "he challenges that" and "he questions that"?
While both phrases indicate disagreement, "he challenges that" implies a more direct confrontation or rebuttal, whereas "he questions that" suggests seeking clarification or raising doubts without necessarily offering a counter-argument.
When is it appropriate to use "he challenges that" in writing?
It is appropriate to use "he challenges that" when you want to introduce a critical perspective or alternative explanation to a previously mentioned idea. This phrase is suitable for academic, journalistic, and formal writing.
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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
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested