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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 ascertained with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is ascertained with" is not commonly used in written English and may sound awkward.
It can be used when discussing the process of determining or finding out something in conjunction with another factor or method. Example: "The accuracy of the results is ascertained with the help of advanced statistical methods."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
is gathered with
is proven by
is supported by
be checked against
is understood with
is benchmarked against
is used against
is juxtaposed with
is directed with
is determined by
is demonstrated with
is evaluated against
is assigned with
is differentiated from
verification against
is checked with
is confirmed with
is compared with
is replicated with
is assessed using
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
The accuracy of registration is ascertained with the total root-mean-square-error (RMS error) as a measure.
The presence of the illusion is ascertained with participants' scores and temperature changes of the real arm.
Science
Previous studies [ 37- 54, 66, 70- 75] 75] have shown that the proportion of cancer free families varies with the type of index cancer, with the manner in which the index subject is ascertained, with the age of the index subject and with the size of the family.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Assuming further that missense mutations and nonsense mutations are ascertained with an equal probability, the ascertainment depth of missense mutations is Sn/ Tn.
Science
These voters should not be disfranchised where their intent may be ascertained with reasonable certainty, simply because the chad they punched did not completely dislodge from the ballot.
News & Media
Our courts have repeatedly held that, where the intention of the voter can be ascertained with reasonable certainty from his ballot, that intention will be given effect even though the ballot is not strictly in conformity with the law...
News & Media
It is that contrary to what you may have gleaned from the literary deconstructionists, there is a truth, and if it can't be ascertained with total assurance, it can certainly be closely approached, like the calculus approaching the curve.
News & Media
It hinted broadly that dimpled chads should be counted, quoting an Illinois Supreme Court opinion declaring that "voters should not be disfranchised where their intent may be ascertained with reasonable certainty".
News & Media
But the power of reason to prove much of what we know is weak, and Hume denied that our beliefs about the world could be ascertained with anything like scientific certainty.
News & Media
But Gore aides were gratified to find that the court quoted from an Illinois Supreme Court opinion that "voters should not be disfranchised where their intent may be ascertained with reasonable certainty, simply because the chad they punched did not completely dislodge from the ballot".
News & Media
Asserting the paramount importance of an accurate vote count, the court cited with approval the words of the Illinois court: "Voters should not be disfranchised where their intent may be ascertained with reasonable certainty, simply because the chad they punched did not completely dislodge from the ballot," the justices ruled.
News & Media
Expert writing Tips
Best practice
When using "is ascertained with", ensure that the method or tool being used to ascertain something is clearly specified to avoid ambiguity. For instance, "The authenticity of the artwork is ascertained with carbon dating techniques" provides a clearer understanding than simply saying, "The authenticity is ascertained with techniques."
Common error
Avoid using "is ascertained with" in casual writing or conversations. Simpler alternatives like "is found with" or "is determined by" are often more appropriate for informal settings.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is ascertained with" functions as a passive construction, indicating that a particular piece of information or a conclusion is reached through a specific method or tool. Ludwig indicates that it is not so common in written English.
Frequent in
Science
66.66%
News & Media
33.33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is ascertained with" is used to describe how something is discovered or determined using a specific method or tool. Ludwig suggests that while grammatically correct, the phrase is not very common in written English. It is most frequently found in scientific and formal contexts. When using the phrase, ensure clarity by specifying the method or tool used. Simpler alternatives like "is determined by" or "is established through" may be more appropriate in informal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is determined by
Emphasizes the causal relationship where something is decided or influenced by a specific factor.
is established through
Highlights the process by which something is confirmed or proven.
is identified using
Focuses on the tool or technique employed to recognize or detect something.
is measured with
Specifically refers to the act of quantifying something using a particular instrument or standard.
is verified by
Underscores the act of confirming the truth or accuracy of something.
is confirmed via
Similar to "is verified by" but suggests a more formal or official confirmation process.
is validated through
Emphasizes the process of demonstrating the soundness or legitimacy of something.
is diagnosed with
Specifically used in medical contexts to indicate the identification of a condition.
is assessed using
Highlights the use of an evaluation method to determine the state or condition of something.
is evaluated with
Focuses on judging the value or quality of something by employing a particular criterion.
FAQs
What does "is ascertained with" mean?
The phrase "is ascertained with" means that something is discovered, determined, or found out by using a specific method, tool, or piece of information.
What are some alternatives to "is ascertained with"?
Alternatives include "is determined by", "is established through", or "is identified using", depending on the context.
Is it correct to say "is ascertained by" instead of "is ascertained with"?
Yes, "is ascertained by" is also correct and often more appropriate when the focus is on the cause or agent rather than the instrument. The choice depends on the specific context.
How can I use "is ascertained with" in a sentence?
For example, "The diagnosis of the disease "is ascertained with" a blood test" shows how a specific test helps in determining the diagnosis.
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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
4.1/5
Expert rating
Real-world application tested