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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
not but that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not but that" is correct and can be used in written English.
It is typically used to introduce a contrasting or unexpected statement. Here is an example: "John was known for his calm and collected demeanor, not but that he had a fiery temper that occasionally flared up unexpectedly."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(5)
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
57 human-written examples
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News & Media
"She's not, but that doesn't matter.
News & Media
Perhaps not, but that view is becoming less popular.
News & Media
Perhaps not, but that does not make it improper.
News & Media
I feel right now I'm not, but that doesn't mean I won't.
Academia
It's not that information is or is not, but that information reception is relative.
Academia
Probably not, but that depends on how the military campaign against ISIS unfolds.
News & Media
Probably not, but that does not mean it was much ado about not much.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
In that case, if somebody asked, "Why not?" you would say, "Here's why not…" But that question doesn't get asked.
News & Media
They're trustworthy with children, except when they're not--but that goes for any breed of dog really.
News & Media
Of course, theists may well be able to hold that the originals are sound, and the parodies not but that is an entirely unrelated issue.
Science
Expert writing Tips
Best practice
Use "not but that" to introduce a nuanced contrast or a surprising qualification to a preceding statement, adding depth and complexity to your writing.
Common error
Avoid using "not but that" excessively, as it can make your writing sound repetitive. Vary your sentence structure and use alternative expressions like "'not only that but'" or "'not so much that as'" for greater stylistic diversity.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not but that" functions as a conjunctional phrase, serving to introduce a qualification, contrast, or unexpected twist to a preceding statement. As Ludwig AI confirms, the phrase is grammatically sound and the examples provided offer contextual understanding.
Frequent in
News & Media
70%
Academia
15%
Formal & Business
5%
Less common in
Science
3%
Encyclopedias
2%
Wiki
5%
Ludwig's WRAP-UP
In summary, "not but that" is a grammatically correct conjunctional phrase used to introduce a qualification or nuanced contrast. While versatile, its use leans towards neutral and formal contexts like news articles and academic papers. Ludwig AI and the examples show its proper usage, offering insight into constructing complex and thoughtful sentences. For stylistic variation, alternatives like "notwithstanding that" or "not only that but" can also be considered.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not exactly but
Indicates that the previous statement is only partially accurate, with a further explanation.
not necessarily but
Suggests that something is possible but not guaranteed, followed by a contrasting point.
not because of that but
Specifies that the reason is something other than what was previously mentioned.
not in that sense but
Clarifies that a previous statement should not be interpreted in a particular way, offering an alternative understanding.
not so much that as
Indicates a correction or refinement of the initial statement.
not just that but
Similar to 'not only that but', but implies a more casual tone.
not with that intention but
Clarifies that an action was not performed with a specific purpose, offering an alternative motive.
not only that but
Adds emphasis to the initial statement before introducing an additional point.
notwithstanding that
Acknowledges a previous point but introduces a contrasting fact or argument.
not that I recall but
Expresses uncertainty or lack of memory, followed by a related thought or event.
FAQs
How can I use "not but that" in a sentence?
Use "not but that" to introduce a contrasting or qualifying point that adds nuance to a previous statement. For example: "He was known for his punctuality, not but that he occasionally ran late due to unforeseen circumstances."
What's a more formal way to express the idea of "not but that"?
For a more formal tone, you could use phrases like "notwithstanding that" or "however", depending on the specific context.
Is there a difference in meaning between "not but that" and "but"?
While both introduce a contrast, "not but that" often implies a subtler or more unexpected contrast than a simple "but". It suggests a qualification rather than a direct contradiction. Using alternatives like "'not so much that as'" can also convey that idea.
Can "not but that" be used in all types of writing?
While grammatically correct, "not but that" may sound somewhat formal or literary. It's generally suitable for academic, professional, or creative writing, but might be less common in everyday conversation. Depending on the type of writing, using alternative words can be a good idea.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested