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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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affirm that

Grammar usage guide and real-world examples

USAGE 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

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

Huffington Post

Total Quality gurus affirm that, "A defect is a treasure".

News & Media

Huffington Post

They affirm that God Jehovah is the most high.

The Supreme Court needs to affirm that.

News & Media

The New York Times

The Supreme Court should affirm that decision.

News & Media

The New York Times

"The campaign apologized promptly, and I affirm that apology tonight".

News & Media

The New York Times

I affirm that every day is a day of wonder.

News & Media

The New Yorker

"The fact that there is now a statue of Denmark Vesey means they affirm that resistance.

News & Media

The New Yorker

If you buy a ticket, you affirm that jazz is not a bygone form.

News & Media

The New York Times

Against Rome, however, it continued to affirm that the Holy Spirit proceeds from the Father alone.

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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: