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
let assume that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'let assume that' is correct and usable in written English.
It is usually used when making an assumption about a situation, for example, "Let assume that the party will be held outside - in that case, we should make sure to have enough seating available."
✓ Grammatically correct
Science
News & Media
Alternative expressions(17)
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
12 human-written examples
Let and be Banach spaces, and let Assume that.
Although 3DE values are not directly comparable with CCT and CMRI, caused by its underestimation of RV volumes, the excellent correlation let assume that 3DE is a feasible alternative.
Science
Let Assume that.
Let Assume that there exists such that (3.17).
Let assume that the SU operate with a single-antenna full-duplex transceiver.
Let Assume that Then for all there exists a unique such that for all (3.4).
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
First, lets assume that (mathcal {R}) is symmetric, then (gx_0mathcal {R}Tx_0).
Science
Now lets assume that you recognize someone by his/her username, picture or both, what now?
News & Media
We found only few reports on post-traumatic GH cartilage lesions without any bony lesions which lets assume that this type of shoulder pathology is not prevalent.
Let and let us assume that condition (2.2) holds.
Science
Let's assume that's true.
News & Media
Expert writing Tips
Best practice
When using "let assume that", ensure the assumption is clearly stated and relevant to the context of your argument or analysis. This sets a clear foundation for subsequent reasoning.
Common error
Avoid using "let assume that" to introduce assumptions without providing a reasonable basis or justification. Always clarify why the assumption is being made, even if it seems self-evident.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "let assume that" primarily functions as an introductory phrase, used to present a hypothesis or supposition as a basis for reasoning. As Ludwig AI confirms, the phrase is correct and suitable for written English. It sets the stage for conditional statements and hypothetical scenarios.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "let assume that" serves as an introductory phrase to present an assumption or hypothesis. According to Ludwig AI, it's grammatically correct and readily usable in written English. Predominantly found in scientific and news contexts, it functions to establish a shared hypothetical starting point for analysis or discussion. While Ludwig examples show a variety of uses, it's vital to always clearly state and justify your assumption to add to the credibility of your argument.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
let's suppose that
Emphasizes a tentative proposition, similar to "let assume that" but with a slightly less formal tone.
suppose that
A direct and concise way to introduce an assumption, eliminating the "let" for brevity, less verbose than "let assume that".
let's presume that
Suggests taking something as true based on probability or likelihood, adding a layer of anticipation compared to "let assume that".
assume that
Similar to "suppose that", directly states the assumption, making it straightforward without the additional introductory phrase, more direct than "let assume that".
let it be assumed that
Formal and passive construction, indicating an assumption being made, more formal than "let assume that".
let's posit that
Suggests putting forward an idea or assumption as a basis for reasoning, more formal and assertive than "let assume that".
for the sake of argument, let's say that
Introduces an assumption specifically for the purpose of discussion or debate, more contextual than "let assume that".
granting that
Introduces a concession or acceptance of something as true, often before making a further point, adds a nuance of agreement unlike "let assume that".
hypothetically speaking, let's say that
Highlights the hypothetical nature of the assumption, emphasizing its speculative quality, more emphatic than "let assume that".
taking for granted that
Indicates accepting something as true without proof, highlighting a lack of scrutiny, more emphatic than "let assume that".
FAQs
How can I use "let assume that" in a sentence?
The phrase "let assume that" is used to introduce a hypothetical scenario or assumption as the basis for further reasoning. For instance, "Let assume that the project is completed on time; then we can proceed with the next phase".
What are some alternatives to "let assume that"?
You can use alternatives such as "let's suppose that", "suppose that", or simply "assume that" depending on the level of formality required.
Is it grammatically correct to say "let assume that"?
Yes, "let assume that" is grammatically correct, although it can sometimes sound slightly less formal than alternatives such as "let us assume that".
What is the difference between "let assume that" and "assume that"?
"Let assume that" introduces an element of suggestion or invitation to consider a scenario, while ""assume that"" is a more direct and concise statement of an assumption.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested