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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
foundation of fact
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "foundation of fact" is correct and usable in written English.
It can be used when discussing the basis or underlying truths that support a particular argument, theory, or conclusion. Example: "The foundation of fact for her argument was well-researched and supported by credible sources."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
7 human-written examples
Witnesses may relate fictional scenarios to support their arguments, but they must draw on a foundation of fact.
News & Media
Any story based on "the fantastic, the unreal, the imaginative," he understood, needed "a foundation of fact".
News & Media
But the Times article was built on a solid foundation of fact, and Richard Stevenson, the editor directing coverage of the election, said, "We don't want to fall into the trap of false equivalency".
News & Media
The idea of their imagining him as Superman in flight was built on a foundation of fact, with Mr. Fo's fantastical details added on, one at a time, so that the absurdity seemed to be a natural consequence of the truth.
News & Media
Taken together, Disney's foundation of fact and Coleridge's semblance of truth suggest a good starting place for any Unified Theory of the Plausibility of Supernatural Beings: the more closely such creatures hew to the real world, the more likely we are to deem them believable.
News & Media
For the system to function, there has to be a solid foundation of fact.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
Its provocative argument rested on a solid foundation of facts, and a close, scholarly study of several generations of innovation and decline in the disk-drive industry.
News & Media
As a professor at the University of Padua, Vesalius encouraged younger scientists to accept traditional anatomy only after verifying it themselves, and this more critical and questioning attitude broke Galen's authority and placed anatomy on a firm foundation of observed fact and demonstration.
Encyclopedias
The modern historical profession owes its birth, to a large degree, to the belief among late-19th-century historians -- most notably the great German scholar Leopold von Ranke -- that new scientific methods could liberate the study of history from opinion and prejudice, and put scholarship squarely on a foundation of unimpeachable fact.
News & Media
NELL, he says, is just getting under way, and its growing knowledge base of facts and relations is intended as a foundation for improving machine intelligence.
News & Media
As a matter of fact, the foundation is working with the Consumer Electronics Association to help create standards for measuring sleep and setting standards for sleep data collection.
News & Media
Expert writing Tips
Best practice
When constructing an argument, ensure you can clearly identify the "foundation of fact" upon which your claims rest. This strengthens your credibility and persuasiveness.
Common error
Avoid presenting opinions or assumptions as if they are built on a "foundation of fact" when verifiable evidence is lacking. This can undermine your authority and damage trust with your audience.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "foundation of fact" functions primarily as a noun phrase, often serving as a complement or object within a sentence. It identifies the underlying basis or supporting evidence upon which an argument, theory, or narrative is built. Ludwig confirms this usage through numerous examples where the phrase is used to describe the basis of a claim.
Frequent in
News & Media
43%
Science
33%
Encyclopedias
14%
Less common in
Wiki
7%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "foundation of fact" is a noun phrase used to describe the underlying verifiable basis for an argument or idea. As Ludwig confirms, it's grammatically correct and commonly found in neutral to formal contexts, especially in news, science and encyclopedia sources. To ensure strong and persuasive writing, make sure your claims are rooted in a solid "foundation of fact". Consider alternatives like "basis of truth" or "groundwork of evidence" to refine your message. Be cautious of presenting unsubstantiated claims as built on a "foundation of fact", as this can erode credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
basis of truth
Emphasizes the element of truth as the groundwork instead of the broader concept of "fact".
groundwork of evidence
Focuses on the evidential support rather than the factual basis, highlighting the supporting proof.
factual underpinning
Highlights the supporting structure of facts, shifting the emphasis to the structural support.
verifiable basis
Emphasizes the verifiability of the foundation, focusing on the ability to confirm the facts.
empirical basis
Specifically points to evidence gained through observation or experiment as the foundation.
factual groundwork
Inverts the structure of the original phrase, slightly altering the flow but maintaining the core meaning.
core of reality
Shifts focus to the realness of the core elements, rather than the factual accuracy of the base.
basis of reality
Similar to "core of reality" but broader, highlighting the realness of something's fundamental basis.
true foundation
Emphasizes the truth aspect of the foundation, potentially implying a contrast to a false or assumed foundation.
substructure of fact
Focuses on the underlying structural elements that are factual, emphasizing the components rather than the base itself.
FAQs
How can I use "foundation of fact" in a sentence?
You can use "foundation of fact" to describe the basis of an argument or idea. For example: "The success of the project rests on a solid "foundation of fact"."
What is an alternative to using "foundation of fact"?
Alternatives include "basis of truth", "groundwork of evidence", or "factual underpinning", depending on the specific nuance you wish to convey.
Is it more appropriate to say "foundation of fact" or "foundation of opinion"?
"Foundation of fact" is used when the basis is verifiable and objective, while "foundation of opinion" suggests the basis is subjective and personal. The choice depends on the nature of the claim you are making.
What distinguishes "foundation of fact" from "matter of fact"?
"Foundation of fact" refers to the underlying basis for a claim or argument, whereas "matter of fact" describes something that is undeniably true and not open to debate. A "matter of fact" can serve as a "foundation of fact".
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested