Used and loved by millions
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
therefore this letter
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "therefore this letter" is correct and usable in written English.
It can be used to indicate a conclusion or result that is being drawn from previous statements or arguments in a letter or formal communication. Example: "I have outlined the reasons for my decision in the previous paragraphs; therefore this letter serves as my formal resignation."
✓ Grammatically correct
Science
Formal & Business
News & Media
Wiki
Alternative expressions(3)
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
Therefore this letter reports about a simulative resist parameter sensitivity analysis with help of calibrated resist models, based on Sigma-C's SOLID software.
Science
Therefore, this letter aims to help the reader to better understand the treated matter [ 3].
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Therefore, in this letter, we report on the obtention of rice-like HfO2 nanostructures by the MH method.
Science
Therefore, in this letter, the working frequency point is set to be 0.26 (a/λ) (i.e. f = 1THz), and the lattice constant is a = 78 μm.
Therefore, in this letter, we present a novel and easy AFM-based nanomanufacturing method combining the AFM internal tip scanning cycles with the high-precision stage movement to fabricate nanochannels with ladder nanostructure at the bottom.
Science
Therefore, with this letter we wanted to send you a formal notice to you that price of the screws is about to change, starting from the 15/04/2015.
Formal & Business
"I therefore enclose with this letter a cheque payable to the BBC, amounting to the full sum I received as severance payment after tax was deducted by the BBC at source".
News & Media
Therefore, the letter continues, Sergeant Heyliger "was on duty and protected from liability".
News & Media
Base compositions were determined for each genome segment (i.e., locus) analyzed and each unique base composition at each of these loci was assigned a letter according to decreasing number of occurrences (therefore, the letter A represents the most common allele identified at each locus).
Science
Therefore the letter with treatment recommendations is provided.
No matter what it says, your letter will probably be appreciated, but the recipient will feel much closer to you (and therefore the letter will be more effective) if it's revealing.
Wiki
Expert writing Tips
Best practice
When beginning a formal letter or email, use "therefore this letter" to clearly signal that you are about to present a conclusion or a direct consequence of previously stated information. This ensures clarity and logical flow.
Common error
Avoid using "therefore this letter" in casual emails or informal notes. It can sound overly formal or pretentious. Opt for simpler alternatives like "so" or "that's why" in less formal communication.
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "therefore this letter" functions as a transitional phrase that introduces the main point or purpose of a formal letter. It signals that the content following is a direct consequence or conclusion of what has been previously stated. As Ludwig AI indicates, it's grammatically correct and usable.
Frequent in
Science
50%
News & Media
25%
Formal & Business
25%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "therefore this letter" serves as a formal connector to introduce the primary purpose or conclusion within a written communication. As Ludwig AI confirms, it is grammatically sound, though best reserved for formal contexts such as scientific reports, business correspondence, or news articles where a clear and logical connection between preceding information and the letter's main point is desired. While alternatives exist to soften the formality, understanding its intended use ensures effective and appropriate communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as a result, this letter
Substitutes "therefore" with "as a result", offering a slightly more direct causal connection.
hence this communication
Replaces "letter" with a broader term, making it suitable for emails or reports; changes the connector "therefore" with "hence".
thus this correspondence
Substitutes "letter" with "correspondence", indicating a more formal exchange; changes the connector "therefore" with "thus".
consequently, this message
Uses "message" instead of "letter", suitable for digital communication; changes the connector "therefore" with "consequently".
accordingly, this document
Replaces "letter" with "document", appropriate for formal or legal contexts; changes the connector "therefore" with "accordingly".
for this reason, the following letter
Adds emphasis by explicitly stating "for this reason" before introducing the letter; slightly changes sentence structure.
on account of this, I write this letter
Expresses causality more directly using "on account of this"; inverts the sentence structure for emphasis.
given the above, this letter serves to
Highlights the preceding information with "given the above"; uses "serves to" to introduce the letter's purpose.
in light of the foregoing, this letter
Employs more formal language with "in light of the foregoing"; maintains similar structure and purpose.
the purpose of this letter, then, is
Shifts focus to the purpose of the letter with a slight structural change, emphasizing intent.
FAQs
How can I use "therefore this letter" in a sentence?
Use "therefore this letter" to introduce the main point or action resulting from previously mentioned facts or arguments. For example, "I have reviewed your application and found it meets all requirements; therefore this letter confirms your admission."
What are some alternatives to "therefore this letter" that I can use?
You can use alternatives like "thus this letter", "as a result, this letter", or "consequently, this letter" depending on the formality and context of your communication.
Is it okay to use "therefore this email" instead of "therefore this letter"?
Yes, it is acceptable to use "therefore this email" if you are communicating via email. The key is to ensure the phrase matches the medium of communication.
When should I use "therefore this letter" instead of simply stating the conclusion?
Use "therefore this letter" when you want to explicitly link your conclusion to the preceding information in a formal written communication. It emphasizes the logical connection and provides clarity.
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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
4.2/5
Expert rating
Real-world application tested