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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
he presupposes that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he presupposes that" is correct and usable in written English.
It can be used when discussing someone's assumptions or beliefs that are taken for granted in a particular context or argument. Example: "In his analysis, he presupposes that all participants have prior knowledge of the subject matter."
✓ Grammatically correct
Science
News & Media
Alternative expressions(19)
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
2 human-written examples
If Elwood says, "The Queen of England has charming grandchildren," he presupposes that there is a unique queen of England, and says that her grandchildren are charming.
Science
But observe that he presupposes that the things about which physics will inform us are properties and that is a category that physics has not used for several centuries.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
He presupposed that the doctors went to elite institutions for undergraduate and graduate degrees and then worked in a lower-paying medical specialty such as pediatrics or general practice.
News & Media
It "presupposes that music exists in separate, independent strands, whereas I think all music is part of something bigger," he says.
News & Media
This analysis presupposes that commuting represents what economists call a rational choice, as opposed to a constrained choice.
News & Media
Our model presupposes that sort of uniqueness of demand, and solves specifically for that.
News & Media
"You never sent me that email, Mavis," presupposes that Mavis screwed up or didn't bother.
News & Media
The very fact that Boltzmann considers intervals for the values of $x$ and $y$ of arbitrary small sizes, and stressed the distinction between rational and irrational values of the ratio $a/b$, indicates that he did not silently presuppose that phase space was essentially discrete, where those distinctions would make no sense.
Science
In saying (4) Elwood would presuppose that Bush invaded Iraq, and in (5) he would presuppose that Clinton had cheated on his wife, and then stopped doing so for a period of time (possibly rather short).
Science
Mr. Klinkenborg is worried about the "technical narrowness" of some college programs and the "rush to make education pay off"– which, he writes, "presupposes that only the most immediately applicable skills are worth acquiring".
News & Media
It does not presuppose that AI is conscious - that is the question.
News & Media
Expert writing Tips
Best practice
Use "he presupposes that" when you want to highlight an underlying assumption that influences a person's reasoning or actions. It's effective in academic and analytical writing.
Common error
While "he presupposes that" is grammatically sound, it can sound overly formal in casual contexts. Opt for simpler alternatives like "he assumes that" or "he believes that" in less formal writing.
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Real-world application tested
Linguistic Context
The phrase "he presupposes that" functions as a reporting clause, introducing a proposition that someone takes as a given. It highlights the underlying assumptions influencing their reasoning or actions. Ludwig examples demonstrate its use in analytical contexts, confirming its function in presenting assumed truths.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
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Ludwig's WRAP-UP
In summary, "he presupposes that" is a grammatically correct phrase used to indicate that someone is making an underlying assumption. According to Ludwig, while acceptable, it's relatively rare and leans toward formal contexts, often found in academic and scientific writing. For less formal situations, consider using simpler alternatives like "he assumes that". This phrase is most effective when the goal is to critically examine the basis of someone's reasoning, as it directly points out the assumptions that shape their conclusions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he assumes that
Replaces "presupposes" with a more common synonym, "assumes", indicating a belief taken without proof.
he presumes that
Similar to "assumes", but can also imply a legal or formal assumption.
he takes it for granted that
Emphasizes that the belief is accepted without question or examination.
he believes that
A simpler way to state a belief, lacking the implication of something being pre-established.
he posits that
Suggests a more formal and theoretical assertion, closer to a hypothesis.
he hypothesizes that
Indicates a tentative assumption made as a basis for reasoning or investigation.
he surmises that
Implies a conjecture based on limited evidence or intuition.
he infers that
Highlights a conclusion reached based on evidence and reasoning.
he deduces that
Suggests a conclusion reached through logical reasoning from established premises.
he postulates that
Introduces a basic principle or assumption, often in a formal or scientific context.
FAQs
What does "he presupposes that" mean?
The phrase "he presupposes that" means that someone assumes something to be true or factual, often as a basis for further reasoning or action. It indicates an underlying assumption that is taken for granted.
When is it appropriate to use "he presupposes that"?
It's appropriate to use "he presupposes that" in formal writing, academic analysis, or when you want to emphasize the underlying assumptions someone is making. It suggests a more considered or theoretical context.
What can I say instead of "he presupposes that"?
You can use alternatives like "he assumes that", "he takes it for granted that", or "he believes that" depending on the context.
Is "he presupposes that" formal or informal?
The phrase "he presupposes that" leans towards the formal side. Simpler alternatives like "he assumes that" are suitable for more casual contexts.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested