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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
affirm that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'affirm that' is a correct and usable phrase in written English.
You can use it to introduce an assertion or statement, particularly when the statement is based on something the speaker believes to be true. For example, "I affirm that everyone should have access to clean drinking water."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
58 human-written examples
We affirm that (a=d).
I was right and the events in Paris affirm that.
News & Media
Total Quality gurus affirm that, "A defect is a treasure".
News & Media
They affirm that God Jehovah is the most high.
Encyclopedias
The Supreme Court needs to affirm that.
News & Media
The Supreme Court should affirm that decision.
News & Media
"The campaign apologized promptly, and I affirm that apology tonight".
News & Media
I affirm that every day is a day of wonder.
News & Media
"The fact that there is now a statue of Denmark Vesey means they affirm that resistance.
News & Media
If you buy a ticket, you affirm that jazz is not a bygone form.
News & Media
Against Rome, however, it continued to affirm that the Holy Spirit proceeds from the Father alone.
Encyclopedias
Expert writing Tips
Best practice
Use "affirm that" to introduce a statement you strongly believe to be true, especially when presenting an argument or defending a position.
Common error
Avoid using "affirm that" in casual conversation or informal writing, as it can sound overly formal or pretentious. Opt for simpler alternatives like "say", "believe", or "think" in such situations.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "affirm that" functions as a declarative expression, introducing a statement or proposition the speaker or writer strongly believes to be true. As Ludwig AI explains, this phrase is commonly used to express conviction. Examples from Ludwig show it used in both scientific and news contexts.
Frequent in
Science
48%
News & Media
41%
Encyclopedias
11%
Less common in
Formal & Business
0%
Social Media
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "affirm that" is a versatile phrase used to introduce assertions with conviction. As Ludwig AI confirms, it is grammatically correct and appears frequently in formal contexts, particularly in science, news, and encyclopedic content. When choosing alternatives, consider the specific nuance you want to convey, with options like "assert that" or "contend that" offering slightly different shades of meaning. While generally suitable for professional communication, avoid overusing "affirm that" in casual settings to maintain a natural tone. Remember its primary function is to declare a fact, belief, or opinion with confidence based on Ludwig examples.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Reaffirm that
This alternative means to affirm something again, typically after a challenge or denial.
Confirm that
This alternative suggests verifying or corroborating something already known or suspected.
Assert that
This alternative is more direct and forceful, emphasizing the speaker's conviction.
Verify that
This alternative emphasizes the act of checking or proving the truth of a statement.
Maintain that
This alternative suggests a continued or repeated affirmation, implying persistence.
Contend that
This alternative introduces an element of argument or debate, suggesting the statement is being defended.
Declare that
This alternative implies a formal or official announcement.
Emphasize that
This alternative places particular stress or importance on the statement that follows.
Acknowledge that
This alternative indicates recognition or acceptance of a fact or situation.
Testify that
This alternative means to give evidence or a formal statement about something.
FAQs
How can I use "affirm that" in a sentence?
Use "affirm that" to introduce a statement you strongly believe is true. For instance, "I "affirm that" access to education is a fundamental human right".
What phrases are similar to "affirm that"?
Alternatives include "assert that", "maintain that", or "contend that". The best choice depends on the specific nuance you want to convey.
Is it correct to use "affirm that" in formal writing?
Yes, "affirm that" is appropriate for formal writing, especially in academic, legal, or professional contexts where you want to express a strong belief or assertion.
What's the difference between "affirm that" and "confirm that"?
"Affirm that" implies a strong declaration of belief, while "confirm that" suggests verifying something already suspected or known. For example, "I "affirm that" the Earth is round" versus "I "confirm that" the meeting will be held tomorrow".
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested