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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
that which is possible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that which is possible" is correct and usable in written English.
It can be used when discussing potentiality or the realm of possibilities in various contexts, such as philosophy, science, or decision-making. Example: "In our exploration of the universe, we must consider that which is possible beyond our current understanding."
✓ Grammatically correct
Science
News & Media
Academia
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
9 human-written examples
A new approach to estimate molecular orientation of core sheath fibers based on the tensile response of the fiber is developed, and indicates that co-spinning PP with PLA results in a synergistic effect with increases in the molecular orientation above that which is possible with spinning either PP or PLA individually.
Science
Diodorus' definition of that which is possible can be split into two distinct claims: first that everything that either is or will be true is possible, and second, that everything that is possible either is or will be true.
Science
Since most of us cannot change the course of history, I propose that we begin this first year of our new decade with that which is possible: self change.
News & Media
We next tested whether the steepness of ravines was predictive of gene expression, beyond that which is possible using methylation level of the CGI alone, using a regression approach (see Methods).
Science
If privacy is the immovable object of your desire, then you had best attend to the irrestible force of the approaching identity culture, and I can think of no better preparation than to read Stefan Brands' book, particularly if you would enter debate able to clearly differentiate that which is possible from that which is mere wishful thinking.
For both philosophers, divine power extends to all and only that which is possible, that is, logically consistent.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
For that lemma, pick, which is possible since we assumed that k<11/5.
"There is potential that the removal of everything was due to the legal situation that they are facing, which is possible as I got the feeling that the situation was dire.
News & Media
"Should it prove true, which is possible, that we are entering a recession, the swing in the budget over a two-year period could easily reach $400 to $500 billion.
News & Media
Take ε > 0 small enough, so that 1 − 1 + ε q > 0, which is possible since q > 1.
It would be a rare thing if a plan designed to conform to that which is politically possible, rather than to that which is necessary, could succeed against a problem of this magnitude.
News & Media
Expert writing Tips
Best practice
Use "that which is possible" when you want to emphasize the potential within constraints or limitations. It adds a layer of philosophical consideration to the discussion.
Common error
Avoid using "that which is possible" in casual conversation or informal writing. Simpler phrases like "what's achievable" or "what can be done" are more appropriate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that which is possible" functions as a relative clause, typically serving as a noun phrase within a sentence. It represents the concept of potentiality or the range of feasible outcomes. Ludwig AI validates this usage, illustrating its role in expressing possibilities.
Frequent in
Science
40%
News & Media
30%
Academia
20%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "that which is possible" is a grammatically sound relative clause used to discuss potentiality and feasibility. Ludwig AI confirms its correct usage. It is most commonly found in scientific, academic, and news contexts, indicating a formal tone. While versatile, it's best reserved for situations where a thoughtful and emphatic expression is desired. Simpler alternatives exist for informal settings. Remember to carefully consider the context when choosing between "that which is possible" and its more direct counterparts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what is achievable
Focuses on attainability and accomplishment.
what can be done
Emphasizes the action or task that is feasible.
what is feasible
Highlights the practicality and suitability of something.
the realm of possibility
Refers to the scope or extent of what could happen.
what is within reach
Indicates something that is attainable with current resources or abilities.
that which can be attained
Formal way to express reaching a goal or objective.
the extent of potential
Highlights the scope of development or achievement.
the art of the possible
Emphasizes creativity and strategy in achieving goals.
the limits of possibility
Highlights restrictions in what can be done.
what is hypothetically doable
Expresses a situation that could be done under certain conditions.
FAQs
How can I use "that which is possible" in a sentence?
You can use "that which is possible" to discuss potential or feasibility. For example, "The project will explore "what is achievable" within the given budget and timeline."
What are some alternatives to "that which is possible"?
Alternatives include "what is feasible", "what can be done", or "the realm of possibility", depending on the context.
Is "that which is possible" formal or informal?
"That which is possible" leans towards formal usage. In informal contexts, simpler alternatives are generally preferred.
What's the difference between "that which is possible" and "what is possible"?
"That which is possible" is more emphatic and philosophical, while "what is possible" is a more straightforward way to express the same idea. The first sounds more thoughtful and the second sounds more direct.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested