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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
by affirming that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by affirming that" is correct and usable in written English.
You can use it when you want to indicate that someone is confirming or stating something as true. Example: "The author strengthens their argument by affirming that the evidence supports their claims."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(18)
by stating that
by confirming that
by declaring that
by asserting that
by acknowledging that
by maintaining that
by insisting that
by attesting that
by testifying that
by demonstrating that
by strengthening that
by proclaiming that
by emphasising that
by clarifying that
by reiterating that
by arguing that
by emphasizing that
by assuming that
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
46 human-written examples
The very first article of the declaration resoundingly challenged Europe's old order by affirming that "men are born and remain free and equal in rights.
Encyclopedias
Manuel Valls, the French interior minister, who was born in Spain, fueled the indignation of abolitionists by affirming that bullfighting was "a culture worth preserving".
News & Media
"Most prefer to cover up that reality by affirming that racism was overcome over the length of our numerous social struggles.
News & Media
Among his other original contributions to Western thought was his development of Aristotle's kinetic theory of motion (the principle that nothing moves unless it is moved by an external force), by affirming that velocity is directly proportional to the excess of force to resistance.
Encyclopedias
He parted company with all Platonic realists by affirming that: (1) the properties of material things are "immanent"—i.e., "in" the things that exemplify them, in a nearly literal, spatial way; and (2) properties do not exist independently of the things that exemplify them.
Encyclopedias
(Earlier in the afternoon, Jan Brewer, the former governor of Arizona and legislative mother of that state's Draconian immigration policies, nearly undoes all the good right-wing work of her career by affirming that, yes, Trump is "going to build the Fence". Like new Americans who have just been told that Hulk Hogan was the first President, the crowd rises up in happy outrage to correct her).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
The study by Samuelsson (2001) affirmed that experience in a similar industry was positively related to growth in innovative ventures.
The Circuit Court of Appeals, by a divided court, affirmed that decree.
Academia
Kasparov affirmed that judgment by declining the proposition.
News & Media
People are motivated most by affirming visions that describe a better future than the one they're experiencing now.
Wiki
He took this to mean that the application of theories has to be accompanied by "provisos" affirming that no properties beyond those specified by the theory are present in a specific case.
Science
Expert writing Tips
Best practice
Use "by affirming that" when you want to emphasize a confirmation or validation of a statement. It adds a layer of certainty to your writing.
Common error
Avoid overuse of formal connectors like "by affirming that" in informal contexts. Simpler alternatives such as "by saying that" or "by stating that" can maintain clarity without sounding overly stilted.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by affirming that" functions as a connector, linking a preceding statement to a confirmatory or declarative clause. Ludwig AI indicates it is commonly used to introduce a statement that validates or reinforces a previous point.
Frequent in
News & Media
40%
Encyclopedias
25%
Science
20%
Less common in
Wiki
8%
Formal & Business
7%
Academia
0%
Ludwig's WRAP-UP
In summary, "by affirming that" is a grammatically correct and usable English phrase that serves to introduce a confirmation or validation of a statement. Ludwig AI indicates that the phrase is most commonly found in News & Media, Encyclopedias, and Science contexts, with a neutral to formal register. While other options exist, the analyzed phrase presents a clear and direct way to express confirmation or affirmation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
by asserting that
Changes the verb to "asserting", implying a strong declaration of a belief or fact.
by declaring that
Replaces "affirming" with "declaring", suggesting a formal or official statement.
by confirming that
Uses "confirming" instead of "affirming", implying verification or validation of something.
by stating that
Substitutes "affirming" with "stating", indicating a simple expression of a fact or opinion.
by acknowledging that
Replaces "affirming" with "acknowledging", suggesting recognition or acceptance of something.
by maintaining that
Uses "maintaining" instead of "affirming", implying a consistent stance or belief.
by insisting that
Changes the verb to "insisting", conveying a firm and unwavering assertion.
by professing that
Substitutes "affirming" with "professing", indicating a public declaration of a belief.
by attesting that
Replaces "affirming" with "attesting", suggesting providing evidence or proof.
by testifying that
Uses "testifying" instead of "affirming", implying a statement given under oath or as a witness.
FAQs
How can I use "by affirming that" in a sentence?
You can use "by affirming that" to introduce a statement that confirms a previous claim or belief. For example, "The study supported the initial findings "by affirming that" the treatment was effective".
What are some alternatives to "by affirming that"?
Alternatives include "by stating that", "by confirming that", or "by declaring that", depending on the specific nuance you want to convey.
Is there a difference between "by affirming that" and "by stating that"?
"By affirming that" implies a stronger sense of confirmation or validation, while "by stating that" simply indicates an expression of a fact or opinion.
When is it appropriate to use "by affirming that" in writing?
It's appropriate in formal writing, academic papers, or when you want to emphasize the act of confirming something as true or valid.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested