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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
This letter serves as
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this letter serves as" is a correct and usable phrase in written English
You can use this phrase to introduce a document or a writing that fulfills a specific purpose. For example, you could say "This letter serves as official notice that I am withdrawing from the course."
✓ Grammatically correct
Formal & Business
News & Media
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
10 human-written examples
This letter serves as my official resignation from the Planning and Transportation Commission.
News & Media
"Please be advised that this letter serves as official notice that I am considering a potential claim against you in a medical Malpractice claim in regard to my husband..
News & Media
It says: "This letter serves as a written notice to improve financial management, control and governance at the trust.
News & Media
This letter serves as notice of termination of the iPhone Developer Program License Agreement (the "iDP Agreement") and the Registered iPhone Developer Agreement (the "Registered Developer Agreement") between you and Apple, effective immediately.
News & Media
This letter serves as written notice that Burstly, Inc. shall terminate the Publishing and SDK License Agreement, dated as of XXXX, pursuant to Section X. Pursuant to this notice, the Agreement shall terminate as of 90 days from the date that notice is provided in accordance with Section XX of the Agreement.
News & Media
"This letter serves as formal notice of withdrawal of the subpoena," Rowley wrote.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
For Mr. Seelig and Ms. Gibson, the letter serves as evidence that their daughter's death did matter to someone, and made some difference.
News & Media
Harper's claims that the letter is a form letter and an piece of sales promotion" while Lish claims that the letter serves as "an exhibition of a certain kind of stylistic device... .. Lish objects to the letter appearing in an edited version which he calls "ruinous" to the pedagogical aim of the letter.
News & Media
UPDATE Aug. 6: Billboard has confirmed that the letter serves as Carter's coming out as bisexual.
News & Media
Second, the letter served as the basis for an ongoing communication platform.
News & Media
Far from cementing his anti-establishment position, as Rupert would have it, the letter served as his entrée to the most powerful circles in London.
News & Media
Expert writing Tips
✓ Best practice
Use "this letter serves as" to clearly and formally state the purpose or function of the letter right at the beginning, ensuring the recipient immediately understands its intent.
⚠ Common error
Avoid using "this letter serves as" in casual emails or notes. It's more appropriate for formal communications; use simpler alternatives like "this letter is to" or "I'm writing to" in less formal situations.
Linguistic Context
The phrase "this letter serves as" functions as an introductory element in formal correspondence. It explicitly states the purpose or role of the letter, as confirmed by Ludwig AI and demonstrated in the examples provided.
Expression frequency: Common
✓ Frequent in
Formal & Business
30%
News & Media
50%
Science
20%
⚠ Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "this letter serves as" is a common and grammatically correct introductory phrase used to clearly state the purpose of a formal letter. Ludwig AI confirms its usability across various contexts, predominantly in Formal & Business and News & Media. While effective in setting a direct tone, it's best reserved for professional communication, avoiding overuse in informal settings. Remember to use it to immediately convey the letter's intent.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
this letter is to
Replaces "serves as" with a simpler verb, focusing on the letter's intended action.
this letter aims to
Emphasizes the letter's objective or goal.
this letter functions as
Highlights the role or utility of the letter.
the purpose of this letter is to
Explicitly states the letter's intent.
this letter provides
Focuses on the information or content the letter offers.
this letter constitutes
Indicates the letter's legal or formal standing.
FAQs
What can I say instead of "this letter serves as"?
You can use alternatives like "this letter is to", "this letter aims to", or "the purpose of this letter is to" depending on the context.
How to use "this letter serves as" in a sentence?
Use "this letter serves as" at the beginning of a formal letter to clearly state the letter's function or intention. For example, "This letter serves as a formal notice of termination."
Is "this letter serves as" formal or informal?
"This letter serves as" is considered a formal phrase suitable for business, legal, or official communications. Avoid using it in casual contexts.
What's the difference between "this letter serves as" and "this letter is to"?
"This letter serves as" is more formal and emphasizes the letter's role or function, while "this letter is to" is simpler and focuses on the letter's immediate purpose. Choose based on the desired level of formality.
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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