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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
preceding letters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "preceding letters" is correct and usable in written English.
It can be used to refer to letters that come before a certain point in a text or sequence. Example: "Please refer to the preceding letters in the document for context on this issue."
✓ Grammatically correct
Science
News & Media
Wiki
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
1 human-written examples
As later letters appeared, preceding letters faded and disappeared.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Leibniz had mentioned both of these points in his immediately preceding letter (LA, 64 66, 58).
Science
In the preceding letter, we detailed the discovery of clinical candidate PF-04693627, a potent mPGES-1 inhibitor possessing a novel benzoxazole structure.
NOTE: The preceding letter was written at the request of my daughter's teacher, whose name has been changed for anonymity, so that she could have something in hand when taking my concerns, with which she agrees, to her superiors.
News & Media
Punctuation is more frequent, usually on a level with the top of the preceding letter, while a vacant space, proportionate to the break in the sense, follows the end of a paragraph.
Wiki
For the 1-back condition [low working memory (WM) load], they were instructed to press a response button, whenever a letter presented on a screen was identical to the preceding letter.
Science
The latter necessitated further rules for nomenclature: 4. If a gene from a basal taxon is clearly related to two named genes of more derived species, we suggest to always use the preceding letter.
Science
The membrane receptors for prostanoids are termed P receptors, with a preceding letter indicating the natural prostanoid to which each receptor is most sensitive, i.e. DP, EP, FP, IP and TP for PGD2, PGE2, PGF2, PGI, and TXA2, respectively [ 13, 14].
Science
Draw the same letter 'e' but a little farther from its preceding letter.
Wiki
These checks were often preceded by letters detailing which fighters the manager wanted moved up in the rankings and expressed in effusive and evasive language assurances that Feris-Chadid would show his gratitude to the I.B.F.
News & Media
The first code is the participant ID number preceded by letters that relate to whether the participant took part in a focus group (FG), interactive discussion (IA), telephone interview (T), survey (S) and no letter relates to a face-to-face interview.
Science
Expert writing Tips
Best practice
When discussing code or specific sequences, clarify whether you are referring to immediately adjacent letters or any letters appearing earlier in the sequence.
Common error
Avoid using "preceding letters" when the letters are not in a strict sequence. For example, if you're describing search results, consider "relevant letters" or "mentioned letters" instead.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "preceding letters" functions as a noun phrase, typically acting as a direct object or object of a preposition. Ludwig indicates it's a correct and usable phrase in English.
Frequent in
Science
58%
News & Media
16%
Wiki
13%
Less common in
Encyclopedias
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "preceding letters" is a grammatically correct noun phrase used to denote letters that come before a certain point in a sequence. Ludwig confirms its usability, although examples suggest that it is rare. Common contexts include science, news media, and wikis, indicating a neutral to formal register. When using this phrase, ensure clarity by specifying whether you mean immediately preceding or generally earlier letters. Alternatives such as "prior letters" or "earlier letters" can be considered for variety.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
prior letters
Synonymous replacement, using "prior" for "preceding".
previous characters
Replaces "letters" with "characters", broadening the scope to include non-letter symbols but maintaining the sequential aspect.
earlier characters
Similar to "previous characters", it focuses on the temporal aspect of the characters' position.
letters before
Simplifies the structure while preserving the meaning.
the letters that come before
Expands the phrase to explicitly state the sequential relationship.
antecedent letters
Uses a more formal synonym for "preceding", implying a causal or logical relationship.
letters mentioned earlier
Specifies that the letters were discussed previously, adding an element of reference.
letters already stated
Highlights that the letters have been presented before, focusing on their prior existence in the text.
initial letters
Focuses on letters at the beginning of something, but not necessarily in direct sequence.
immediately preceding character
Focuses on the single closest character before a specific one
FAQs
How to use "preceding letters" in a sentence?
You can use "preceding letters" to refer to letters that appear earlier in a sequence. For example: "Please refer to the preceding letters for context."
What can I say instead of "preceding letters"?
Alternatives include "prior letters", "earlier letters", or "previous characters", depending on the specific context.
Is it always necessary to specify "immediately" when referring to a letter directly before another?
While not always necessary, including "immediately" can enhance clarity if there's potential ambiguity about whether other letters might intervene. Consider rewriting for clarity when using "preceding letters".
What is the difference between "preceding letters" and "following letters"?
"Preceding letters" refers to letters that come before a specified point, while "following letters" refers to letters that come after. They are opposite in direction within a sequence.
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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
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested