Used and loved by millions
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
which sustains that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which sustains that" is not commonly used in written English and may sound awkward or unclear.
It could be used when referring to a concept or argument that supports or maintains a particular idea or claim, but it would require additional context for clarity. Example: "The research presents evidence which sustains that climate change is accelerating."
Science
Academia
News & Media
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
5 human-written examples
We are not, however, referred to any adjudged case, or to any elementary treatise which sustains that proposition, without qualification.
Academia
The findings in this paper have broadly confirmed the conventional view which sustains that financial development has a positive and significant impact on economic growth.
Science
This supports the binding hypothesis, a fundamental concept of neurobiology [19] which sustains that neural networks coding the same feature or object are functionally bounded.
Science
For every 0 ≤ i ≤ r, construct a partition (u i, a, u i, b ) of u i which sustains that ed (w β, u i ) ≥ ed (w, u i, a ) + ed (β, u i, b ), as follows.
A folding (or a secondary structure) of s is a set F of base-pairs of the form a b, where 0 ≤ a < b < n, which sustains that there are no two distinct base pairs a b and c d in F such that a ≤ c ≤ b ≤ d (i.e. the paring is nested, see Figure 3).
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
The fiction which sustains sovereignty - that state dignity would be lowered if its officials were prosecuted abroad - is absurd when states are headed by Saddam Hussein and Slobodan Milosevic.
News & Media
This smooth/rough dialectic produces a sort of "Coming Undone Lite©," which sustains the hope that one can come together differently at the end of the night.
Academia
That tautology, which sustains a good part of the league's popularity, may not be in jeopardy yet, but the opacity that allows such seemingly absurd statements to make sense has been compromised.
News & Media
This, in my opinion, constitutes due process of law within the meaning of the 14th Amendment, and I agree with the court of appeals of Kentucky that upon that award thus made by the proper tribunal, no other judgment can be entered than that which sustains it.
Academia
But this nature walk is more about what's in front of you, that which sustains the city.
News & Media
And on the other side, how can city governments work with companies that only selectively share data on their impact when it's politically convenient, and which resist for months and years to pay basic taxes which sustain the public infrastructure that makes their businesses possible?
News & Media
Expert writing Tips
Best practice
When using "which sustains that", ensure the relationship between the elements is clear and logical. This phrase is best suited for formal writing where precision is important.
Common error
Avoid using "which sustains that" in casual conversation or informal writing. Simpler alternatives like "that supports that" or "that maintains that" are often more appropriate.
Source & Trust
89%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which sustains that" functions as a relative clause, modifying a preceding noun or clause by providing additional information about it. Ludwig suggests that the phrase isn't as commonly used, so considering alternative expressions might improve clarity.
Frequent in
Science
40%
Academia
40%
News & Media
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "which sustains that" is grammatically acceptable but rare, best suited for formal and scientific contexts. Ludwig AI shows this phrase is not commonly used, and it can often be replaced with more straightforward alternatives like "that supports that" or "which maintains that" for improved clarity. While correct, its formality might sound stilted in everyday conversation or less formal writing. Remember to ensure the logical relationship is clear when using this phrase, and be mindful of the context to avoid sounding overly formal.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that supports that
Directly replaces "which sustains" with "that supports", focusing on the supporting role.
which underpins that
"Underpins" suggests a foundational support, making it a stronger, more formal alternative.
that maintains that
Replaces "sustains" with "maintains", highlighting the preservation of a condition or state.
that upholds that
"Upholds" implies active support and defense of something.
which validates that
"Validates" suggests confirming the truth or accuracy of something.
which confirms that
"Confirms" provides evidence or verification, making it a suitable replacement.
that reinforces that
"Reinforces" implies strengthening or supporting an existing idea or structure.
which bolsters that
"Bolsters" suggests providing support or strengthening something.
that provides that
Focuses on the providing or enabling aspect, a simpler alternative.
which justifies that
"Justifies" implies providing reasons or evidence to support or defend something.
FAQs
What are some alternatives to "which sustains that"?
You can use alternatives like "that supports that", "which underpins that", or "that maintains that" depending on the context.
How can I make the phrase "which sustains that" sound more natural?
Consider rewording the sentence for clarity and flow. For instance, instead of "a concept which sustains that belief", try "a concept that supports that belief" or "a concept that reinforces that belief".
Is "which sustains that" grammatically correct?
Yes, the phrase "which sustains that" is grammatically correct, but it may sound somewhat formal or stilted. Using more common alternatives can improve readability.
In what type of writing is "which sustains that" most appropriate?
The phrase "which sustains that" is most suitable for formal writing, such as academic papers, legal documents, or technical reports, where precision and formality are valued.
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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
89%
Authority and reliability
3.8/5
Expert rating
Real-world application tested