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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
a foundational idea
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a foundational idea" is correct and usable in written English.
It can be used when discussing a concept or principle that serves as a basis for further thought, development, or understanding. Example: "The theory of evolution is a foundational idea in the field of biology that influences many other scientific disciplines."
✓ Grammatically correct
News & Media
Science
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
"A foundational idea for this show was that we are permanently in a condition of creating, being excited or horrified by our inventions," said Boryana Rossa, a Bulgarian-born artist and graduate student at Rensselaer Polytechnic Institute in Troy, N.Y.
News & Media
"It will take a lifestyle change," says Kurtz. "This is becoming a foundational idea".
Science & Research
Our paper reports on two studies investigating practicing and prospective elementary teachers' uses of a learning trajectory to make sense of students' thinking about a foundational idea of rational number reasoning.
That's a foundational idea behind Buzzfeed's LGBTQ coverage, and that they've been so successful suggests a lot about the centrality and importance of social media in culture.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Yet by the program's end, after Mr. Ferguson has introduced you to derivatives and all those other arcane financial instruments and practices, it becomes clear just how distorted that foundational idea — borrow money, pay it back — has become.
News & Media
We really started with this foundational idea of 'let's let people jump in to their Star Wars battle fantasy and play it their way'," he says, "That has been the guiding principle, and that hasn't changed at all".
News & Media
It's an inelegant phrase that has been slow to take hold, perhaps because the foundational idea of Rwanda's post-genocide order is to emphasize an inclusive national identity, and to treat Hutu and Tutsi as distinctions that belong more to the past.
News & Media
The talk of both "suffering" and "happiness" suggests that Horkheimer oscillated between pessimistic and optimistic renderings of this foundational idea.
Science
The foundational idea, if there is one, is to limit your opponents scoring chances by denying them the ball.
News & Media
While human rights are also concerned with these issues, their specific starting point is the foundational idea of inherent dignity, worth and equal rights of all humans.
The foundational idea of Gestalt therapy is that adults can choose how to lead their lives and they are at all times responsible for their own choices and actions.
Expert writing Tips
Best practice
Use "a foundational idea" when you want to emphasize that a particular concept is a necessary basis for further understanding or development in a field or argument.
Common error
Avoid using "a foundational idea" too frequently in your writing. Vary your language by using synonyms like "core principle" or "basic concept" to maintain reader engagement and prevent your writing from sounding repetitive.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a foundational idea" functions as a noun phrase, typically serving as a subject complement or object in a sentence. As shown by Ludwig, it denotes a core concept or principle upon which further understanding or development is based.
Frequent in
News & Media
50%
Science
41%
Encyclopedias
3%
Less common in
Formal & Business
2%
Reference
2%
Wiki
0%
Ludwig's WRAP-UP
In summary, "a foundational idea" is a grammatically sound phrase used to describe a fundamental concept or principle. Ludwig AI confirms its correctness, highlighting its function in emphasizing the core basis of an argument or system. Though not extremely common, the phrase appears across various contexts, including news, science, and general writing, as seen in Ludwig's examples. Related phrases include "a basic principle", "a core concept", and "a fundamental principle", offering alternative ways to express similar meanings. When employing this phrase, writers should aim to emphasize the bedrock nature of the concept while avoiding overuse for stylistic reasons.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a basic principle
Replaces 'foundational' with 'basic', emphasizing the fundamental nature of the idea.
a core concept
Substitutes 'foundational' with 'core', highlighting the central importance of the idea.
a fundamental principle
Replaces 'foundational' with 'fundamental', stressing the essential nature of the principle.
an underlying principle
Focuses on the idea as the basis for something else.
a bedrock principle
Emphasizes the stability and reliability of the principle.
a cornerstone concept
Highlights the concept as essential for the structure or system it supports.
a key tenet
Replaces 'idea' with 'tenet', suggesting a principle or belief held as part of a doctrine.
a central theme
Focuses on the idea as a recurring element or subject.
a primary assumption
Highlights that the idea is the assumption, starting point, or premise.
a guiding principle
Emphasizes the idea's role in directing actions or decisions.
FAQs
How can "a foundational idea" be used in a sentence?
You can use "a foundational idea" to refer to a core principle or concept upon which a theory, argument, or system is based. For example: "The concept of supply and demand is "a foundational idea" in economics".
What are some alternatives to saying "a foundational idea"?
Alternatives include "a basic principle", "a core concept", or "a fundamental principle". The best choice depends on the specific context.
Is it better to use "foundational" or "fundamental" when describing an idea?
Both "foundational" and "fundamental" can work. "Fundamental" emphasizes the essential nature of the idea, while "foundational" highlights its role as a base upon which other ideas are built. The choice depends on the nuance you want to convey.
What makes an idea "foundational"?
An idea is considered "foundational" when it serves as a crucial starting point or base for further reasoning, theories, or systems. It's an idea that, if removed or altered, would significantly impact the structure built upon it.
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested