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
required the possibility
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "required the possibility" is not correct and may lead to confusion in written English.
It seems to be an incomplete thought and lacks clarity in its intended meaning. Example: "The project required the possibility of additional funding to proceed."
⚠ May contain grammatical issues
Science
News & Media
Encyclopedias
Alternative expressions(1)
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
Given this range of critical situations in which apoptosis occurs or is required, the possibility for therapeutic intervention is extraordinary.
Encyclopedias
Moreover, if reinfusion of these positive aphereses is required, the possibility of purging them by use of anti-ErbB2 antibodies should be considered.
Science
Although safety testing of natural products, including soy products, is not required, the possibility that widely consumed soy products may cause harm in the human population via either or both estrogenic and goitrogenic activities is of concern.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
On the other hand, capitalism requires the possibility of failure.
News & Media
"It is true that 'living together' requires the possibility of interpersonal exchange.
News & Media
"Belief in Islam, or any other religion, logically requires the possibility of disbelief".
News & Media
Capitalism requires the possibility of failure, but what's the point of power if you can't use it for a good deed like buying Enron's employees a month to diversify their pension plans?
News & Media
Such actual recognition implies and requires the possibility of recognition by everyone.
Science
Most of these applications require the possibility for continuous position determination in realtime.
DLTS requires the possibility to switch energy levels from positions below to positions above the Fermi-level.
Science
However, modeling real complex systems requires the possibility of transforming the nature of tokens through a transition.
Expert writing Tips
Best practice
When using the word "required", ensure that the sentence structure clearly indicates what is being required and what the intended outcome or condition is. Rephrasing for clarity is often beneficial.
Common error
Avoid using "required the possibility" when you actually mean that something created a possibility. Ensure the subject of your sentence is the true actor.
Source & Trust
77%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "required the possibility" attempts to establish a connection between a necessity and a potential outcome. However, based on Ludwig's assessment, it's not considered standard English. Examples show varied attempts to convey dependencies or conditions.
Frequent in
Science
67%
News & Media
22%
Encyclopedias
11%
Less common in
Wiki
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "required the possibility" is an unusual construction that attempts to link a necessity with a potential outcome. While some sources use it, this phrase isn't considered grammatically sound in standard English. Ludwig AI identifies it as potentially misleading, suggesting that clearer alternatives should generally be used. Consider rephrasing your sentences to emphasize the relationship between conditions and outcomes, ensuring that the link is clear and direct. Good alternatives are phrases like "necessitated the potential for" or "demanded the chance of".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
necessitated the potential for
Replaces "required" with "necessitated" and "possibility" with "potential for", emphasizing a compelling need.
demanded the chance of
Substitutes "required" with "demanded" and "possibility" with "chance of", suggesting a strong insistence on an opportunity.
entailed the potential outcome of
Uses "entailed" instead of "required" and "potential outcome of" for "possibility", indicating a logical consequence.
presupposed the option of
Replaces "required" with "presupposed" and "possibility" with "option of", highlighting a necessary condition assumed beforehand.
made possible by the need for
Inverts the structure to emphasize that the need enables the possibility.
hinged on the prospect of
Replaces "required" with "hinged on" and "possibility" with "prospect of", indicating dependence on a future event.
was contingent upon the availability of
Highlights the dependency on something being available to enable the possibility.
created the scope for
Focuses on creating an environment where something becomes possible.
depended on the feasibility of
Emphasizes that something is dependent on whether something else is practical.
implied a capacity for
Suggests that something inherently includes the ability for something else to happen.
FAQs
How can I rephrase "required the possibility" to be more grammatically sound?
Consider using phrases like "necessitated the "potential for"", "demanded the "chance of"", or rephrasing the sentence to clarify the relationship between the requirement and the possibility.
What's wrong with using "required the possibility" in a sentence?
While understandable, it's not standard English. It often indicates a slightly convoluted way of saying that something created an opportunity or condition, or that something necessitated a certain outcome. Ludwig AI confirms that this phrase may not sound correct.
Is there a difference between "required the possibility" and "created the possibility"?
"Required the possibility" suggests that one thing made it necessary for a possibility to exist, while "created the possibility" means something directly made the possibility happen. The latter is usually more direct and clear.
In what contexts might I see "required the possibility" used?
You may find it in contexts where the author is trying to express a complex relationship of dependence or necessity, often in scientific or philosophical discussions, though clearer alternatives are generally preferred. In fact, Ludwig indicates that there are some cases of usage of the term that might be considered correct.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
77%
Authority and reliability
2.2/5
Expert rating
Real-world application tested