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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 invariably true
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not invariably true" is correct and can be used in written English.
It means that something is not always true or not necessarily true. Here is an example of how to use it in a sentence: "Not all dogs are friendly, but it is not invariably true that all dogs are aggressive."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
4 human-written examples
If it is not invariably true in fact, it is certainly true in the imagination".
News & Media
Moreover, it is not invariably true that any increase in the production of any commodity will necessarily be advantageous.
Formal & Business
However, these general principles are not invariably true, because patients with mtDNA depletion may have isolated complex deficiencies early in the disease course.
Science
Similar effects observed in unrelated species such as dog and rat are likely to be more relevant to humans than effects observed in only one species, although this is not invariably true.
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
(Not true, not true, and not true, say city officials).
News & Media
So while all cases with LOI had hypomethylation at IGF2 DMR0, the inverse is not true and DMR0 hypomethylation is not invariably associated with LOI in tumours.
Science
If true, this would mean that eukaryotic chaperones do not invariably support the functioning of the defective proteins, including those mutated.
Science
But opinions do not invariably follow popularity.
News & Media
And, often although not invariably, bigger brains.
News & Media
The Rachmaninoff score is not invariably supportive.
News & Media
Yet big does not invariably mean bad.
News & Media
Expert writing Tips
Best practice
Use "not invariably true" to introduce nuance and precision, especially when addressing complex topics where generalizations might be misleading. This phrase helps avoid oversimplification.
Common error
Avoid using "not invariably true" when simpler phrases like "not always true" or "sometimes false" would suffice. Overusing complex language can make your writing sound pretentious.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not invariably true" functions as a qualifier, indicating that a statement, while generally accurate, is subject to exceptions or specific conditions. Ludwig AI confirms its correctness and suitability for written English.
Frequent in
Science
30%
News & Media
30%
Formal & Business
20%
Less common in
Encyclopedias
10%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "not invariably true" is a grammatically sound phrase used to qualify statements and acknowledge exceptions. Though less common than alternatives like "not always true", it adds a level of precision suitable for formal contexts, particularly in science, news media, and business. Ludwig AI validated that this is indeed correct and offers various examples to support this conclusion. When writing, consider whether simpler alternatives might suffice to avoid unnecessary complexity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not always true
Replaces "invariably" with "always", a more common synonym.
not necessarily true
Substitutes "invariably" with "necessarily", indicating a lack of requirement for truth.
not universally true
Uses "universally" instead of "invariably", suggesting the statement doesn't apply in all cases.
not consistently true
Replaces "invariably" with "consistently", highlighting the lack of consistent truth.
not always the case
Offers a more general way of expressing that something isn't always true.
not true in every instance
Emphasizes that the statement does not hold in all situations.
exceptions exist
A shorter, more direct way of saying something isn't invariably true, highlighting the existence of exceptions.
it depends
A concise way to indicate that the truth of something varies based on circumstances.
not a hard and fast rule
Implies the statement is a guideline rather than an absolute truth.
subject to exceptions
Highlights the presence of exceptions to the general statement.
FAQs
What does "not invariably true" mean?
The phrase "not invariably true" means that something is not always true, and there may be exceptions or situations where it does not apply.
How can I use "not invariably true" in a sentence?
You can use "not invariably true" to qualify a statement that generally holds but has exceptions. For example: "While exercise is generally beneficial for health, it is "not invariably true" for individuals with certain medical conditions".
What are some alternatives to "not invariably true"?
Alternatives to "not invariably true" include phrases like "not always true", "not necessarily true", or "not universally true". The best choice depends on the specific context.
Is "not invariably true" formal or informal?
"Not invariably true" leans toward the formal side, so it may be more appropriate for academic, scientific, or business writing than for casual conversation.
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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