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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
is therefore not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is therefore not" is correct and usable in written English.
It can be used to indicate a conclusion or result that negates or contradicts a previous statement or assumption. Example: "The evidence presented was insufficient, and the claim is therefore not valid."
✓ Grammatically correct
Science
News & Media
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
60 human-written examples
"It is therefore not final".
News & Media
Storytelling is therefore not a memorized art.
Encyclopedias
It is therefore not in equilibrium.
Encyclopedias
Demand is therefore not affected by price.
News & Media
Monopoly is therefore not a pathology or an exception.
News & Media
It is therefore not fair, to Labour in particular.
News & Media
The Serene is, therefore, not a smartphone by any means.
News & Media
Class membership is therefore not a transitive relation.
Encyclopedias
The term "occupation" is therefore not pejorative or judgmental.
News & Media
He is therefore not trustworthy.
Science
Self-consciousness is, therefore, not epiphenomenal.
Science
Expert writing Tips
Best practice
Use "is therefore not" to clearly state a conclusion that negates a previous statement. This helps to avoid ambiguity and strengthens the logical flow of your argument.
Common error
Avoid using "is therefore not" in overly simple sentences where a more direct negation would suffice. For example, instead of saying "The sky is not blue, it is therefore not a clear day", consider "The sky is not blue, so it is not a clear day".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is therefore not" functions as a causal connector, linking a premise with a negative conclusion. Ludwig AI indicates that the phrase serves to clearly state that something does not follow logically from what has been previously mentioned. Examples from Ludwig showcase its utility in diverse contexts.
Frequent in
Science
38%
News & Media
31%
Encyclopedias
10%
Less common in
Formal & Business
8%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "is therefore not" is a valuable tool for constructing logical arguments and negating expectations in writing. As Ludwig AI confirms, it functions as a causal connector, indicating that a particular conclusion does not follow from the presented evidence or premises. Its usage is widespread across diverse fields, including science, news, and encyclopedias, showcasing its versatility. While generally neutral to formal, it should be used judiciously, avoiding overuse in simple sentences where a more direct negation would be more effective. Remember to leverage "is therefore not" to clarify and strengthen your arguments, ensuring your writing remains clear and persuasive.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is consequently not
Replaces "therefore" with "consequently", emphasizing the result or outcome.
is accordingly not
Substitutes "therefore" with "accordingly", suggesting a logical sequence or agreement.
is thus not
Uses "thus" in place of "therefore", providing a more concise and formal tone.
is hence not
Employs "hence" instead of "therefore", indicating a logical deduction.
does not then follow
Offers a more explicit and emphatic negation of a conclusion.
it does not follow that
Presents a more formal and definitive rejection of an implication.
cannot be concluded
Focuses on the inability to reach a particular conclusion based on preceding information.
is not a logical consequence
States directly that something does not logically result from what precedes it.
it cannot be inferred
Emphasizes the impossibility of drawing a specific inference.
is not necessarily the case
Indicates that something is not always true or valid, even if it might seem so.
FAQs
How can I use "is therefore not" in a sentence?
Use "is therefore not" to indicate a logical consequence or conclusion that something is not the case based on preceding information. For example, "The evidence is insufficient; the claim "is therefore not" valid".
What are some alternatives to "is therefore not"?
You can use alternatives like "is consequently not", "is accordingly not", or "is thus not" depending on the context.
Which is correct, "is therefore not" or "therefore is not"?
"Is therefore not" is the correct and standard English construction. "Therefore is not" is less common and may sound awkward in most contexts.
What's the difference between "is therefore not" and "is not therefore"?
"Is therefore not" implies a direct logical consequence leading to a negation. "Is not therefore" is less common and can sometimes suggest that something lacks a particular quality as a result of a prior condition. The order affects emphasis and 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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested