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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 not as valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not as valid" is correct and usable in written English.
You can use it to compare the validity of two statements, arguments, or ideas, indicating that one is less valid than the other. Example: "While both theories have merit, the second theory is not as valid as the first due to lack of supporting evidence."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
3 human-written examples
This one probably is not as valid as the first two.
News & Media
A retrospective analysis of the MCS-12 is not as valid as a prospective analysis.
Science
Mitochondrial DNA variation is ideally suited towards resolving deep phylogenetic relationships greater than 10,000 years or so [37] but is not as valid for more recent relationships for which linguistic variation is more appropriate [38].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The reasons for that act of excommunication were not as valid as those advanced in 1077, and many nobles who had so far favoured the pope turned against him because they thought the prohibition of investiture infringed upon their rights as patrons of churches and monasteries.
Encyclopedias
Supporters cite a number of reasons for wanting gay marriage, including that separate civil partnerships perpetuate the notion that same-sex relationships are not as valid as heterosexual ones and that legal rights are still not exactly the same as those conferred by marriage.
News & Media
It's suggesting that if you come from any country other than Syria your reasons for claiming asylum are not as valid.
News & Media
Self-reports are not as valid as medical record information, however, they have been shown to provide reasonable estimates of comorbidity in the older population [ 48, 49].
The higher E T ratio measures remain reliable in the sense of being stable, but they are not as valid as measurements of "true" lysing activity.
This high variability in concordance among smaller hospitals may mean that morbidity-adjusted comparisons are not as valid as for larger hospitals.
Science
If the view isn't as valid today as it once was, neither is it entirely groundless.
News & Media
As mentioned, NMA-based models, at fine or coarse-grained levels, are not as valid in handling large configurational changes in protein, which demand crossings of multiple energy barriers, as handling small changes, due to their harmonic approximations for energy minima at equilibrium.
Expert writing Tips
Best practice
When comparing the validity of two ideas, clearly state the criteria you are using to assess validity to avoid ambiguity.
Common error
Avoid implying that because something "is not as valid" as something else, it is entirely invalid. Acknowledge any remaining merit, even if it's limited.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not as valid" functions as a comparative adjective phrase. It's used to qualify a noun or concept by indicating that it possesses a lesser degree of validity compared to another. As Ludwig AI indicates, the phrase implies a comparison in terms of justification or credibility.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "is not as valid" is a grammatically correct and usable comparative phrase that indicates something possesses less justification or credibility than another. Ludwig AI confirms its correctness. It is most commonly found in science, news media, and encyclopedic contexts. When using this phrase, ensure the basis for comparison is clearly defined. Alternatives include "is less valid" and "does not hold as much validity". Avoid overstating the weakness of the subject, as it may still retain some merit. Overall, while infrequently used, the phrase is a clear and acceptable way to express relative validity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is less valid
Direct replacement using a more concise comparative.
is less credible
Using a synonym for valid, focusing on believability.
does not hold as much validity
Rephrasing to emphasize the degree of validity.
is not as substantiated
Emphasizing lack of supporting evidence.
is not quite as sound
Substituting 'sound' for 'valid' to indicate weaker reasoning.
is comparatively unreliable
Focusing on the lack of reliability as a measure of validity.
is of questionable validity
Expressing doubt about the validity.
lacks sufficient validation
Focusing on the absence of validation.
is comparatively weaker
Using a broader term (weaker) to indicate a lesser degree of validity.
does not carry the same weight
Metaphorically indicating a lower level of importance or credibility.
FAQs
What does "is not as valid" mean?
The phrase "is not as valid" means that something has less justification, evidence, or logical support compared to something else. It suggests a difference in credibility or soundness.
How to use "is not as valid" in a sentence?
Use "is not as valid" to compare two things, indicating that one is weaker or less justified. For example: "While both arguments have some merit, the second "is not as valid" due to lack of evidence."
What can I say instead of "is not as valid"?
You can use alternatives like "is less valid", "is not as sound", or "is more questionable" depending on the context.
Is it grammatically correct to say "is not as valid as"?
Yes, the phrase ""is not as valid" as" is grammatically correct. It is used to compare the degree of validity between two subjects.
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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
4.3/5
Expert rating
Real-world application tested