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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
decreasing on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "decreasing on" is correct and usable in written English.
It can be used when describing a function or variable that is reducing in value over a specific interval or domain. Example: "The function is decreasing on the interval from 2 to 5."
✓ Grammatically correct
Science
News & Media
Alternative expressions(2)
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
60 human-written examples
Thus is decreasing on by Lemma 2.1.
Hence is decreasing on and is decreasing on by Lemma 2.1.
This leads to that is decreasing on by Lemma 2.1.
(iv) is decreasing on.
Science
Then is decreasing on.
Hence, is decreasing on.
That is, is decreasing on.
Science
Hence, is strictly decreasing on.
So and is decreasing on.
So, is decreasing on and.
and is strictly decreasing on.
Expert writing Tips
Best practice
Use "decreasing on" when referring to a trend or quantity that diminishes over a specified range or condition. This is commonly used in scientific and economic contexts.
Common error
Avoid using "decreasing in" or "decreasing at" when you mean "decreasing on". The preposition "on" specifies the domain or interval where the decrease occurs. For example, it is more appropriate to say "The demand is decreasing on mobile" rather than "The demand is decreasing in mobile".
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decreasing on" functions as a verbal phrase describing the behavior of a variable or function over a specific domain or interval. It indicates a negative trend or reduction in value. Ludwig provides examples where it's used in mathematical and general contexts.
Frequent in
Science
95%
News & Media
3%
Formal & Business
2%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "decreasing on" is a common and grammatically correct expression used to describe the behavior of a function or variable within a specific interval or domain. Predominantly found in scientific and technical contexts, as highlighted by Ludwig, it signifies a trend of reduction or decline. When using "decreasing on", ensure clarity by specifying the exact range where the decrease occurs. Avoid substituting "on" with other prepositions like "in" for maintaining grammatical precision. Explore semantically similar alternatives, such as "declining over" or "diminishing in", to add variety to your writing, while keeping in mind they might imply subtle differences in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
declining over
Focuses on the process of declining rather than the specific domain or range.
diminishing in
Emphasizes the gradual reduction in size or importance within a certain scope.
reducing across
Highlights the action of reducing something within a specific area.
falling within
Indicates a downward trend within defined boundaries.
lessening on
Similar to decreasing but with a slightly different connotation of becoming less.
dropping over
Suggests a quick or sudden reduction over a period or range.
weakening across
Conveys a reduction in strength or effectiveness within a specific context.
tapering off in
Implies a gradual decrease to a point of near cessation.
attenuating within
Describes a reduction in intensity or effect within specified parameters.
subsiding across
Indicates a decrease in activity or intensity over a range.
FAQs
How is "decreasing on" used in mathematical contexts?
In mathematics, "decreasing on" describes a function's behavior over an interval. For example, a function f(x) is decreasing on an interval if, for any two points a and b in that interval where a < b, then f(a) ≥ f(b). This means the function's value does not increase as x increases within that interval.
What are some alternatives to "decreasing on" that I can use?
Depending on the context, you can use phrases like "declining over", "diminishing in", or "reducing across" to convey a similar meaning.
Is it correct to say "decreasing in" instead of "decreasing on"?
While "decreasing in" might be used informally, "decreasing on" is generally more precise and grammatically correct, especially in technical and mathematical contexts. It clearly specifies the interval or domain where the decrease is observed.
What does it mean when a function is said to be "strictly decreasing on" an interval?
If a function is "strictly decreasing on" an interval, it means that for any two points a and b in that interval where a < *b*, then *f(a)* > f(b). In other words, the function's value always decreases as x increases; it never stays the same.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested