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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
assert to know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "assert to know" is not correct and does not convey a clear meaning in written English.
It is unclear and may confuse readers, as "assert" typically does not pair with "to know" in standard usage. Example: "He seemed to assert to know the answer, but he was mistaken."
⚠ May contain grammatical issues
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 similar examples from authoritative sources
Similar Expressions
60 human-written examples
Couples, it asserted, want to know why people are fucking.
News & Media
The whole story of Iran-Contra is unlikely ever to be known unless Congress, the press, and the public assert their right to know about the decisions and operations of our elected leaders.
News & Media
Uncertainty's ability to disrupt knowledge ("we don't know") and actualize risk ("potential for harm") gave the public a place to draw their own inferences, make their own evaluations, assert their right to know the potential hazards they face, and to motivate policy action.
News & Media
In the meantime (since said regulators seem to be clinging fast to their pillows), it appears to be up to Americans to assert our right to know what's in our food and to choose for ourselves whether to eat genetically engineered products or not.
News & Media
Gain the confidence you need to assert yourself and to know when there's no need for you to apologize for your behavior.
Wiki
But why is it so clear that God would have wanted to do this?… Creationists don't need to assert that they know what God would have had in mind if he had built the panda.
They are willing to assert that they know something of the way ahead and they are ready to share that knowledge.
News & Media
Familiarizing IRBs about the diversity of indigenous communities, research approaches, and ethical considerations can broaden traditional linear paradigms and biomedical understandings of ethics, which assert that individuals need to know their test results only when they present a known health risk.
The complaint asserts that respondents right to know about [toxic chemical] releases and its interests in protecting and improving the environment and the health of its members have been, are being, and will be adversely affected by [petitioners] actions in failing to provide timely and required information under EPCRA. Ibid.
Academia
Trump, nevertheless, asserted it was impossible to know who had hacked into the DNC computer system.
News & Media
Nader warned the crowd against political apathy, asserting that Americans need to know as much about politics as they do about sports.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "assert to know" in formal writing. Opt for more standard alternatives like "claim to know" or "profess to know" to ensure clarity and grammatical correctness.
Common error
Do not use "assert" directly followed by "to know". "Assert" typically introduces a statement or belief. If you want to express someone claiming knowledge, use "claim to know" instead. For example, instead of "He seemed to assert to know the answer", write "He claimed to know the answer."
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "assert to know" is grammatically incorrect and does not function as a standard phrase in English. According to Ludwig AI, it is unclear and may confuse readers, as "assert" typically does not pair with "to know" in standard usage.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "assert to know" is grammatically incorrect and not recommended for use in English writing. Ludwig AI flags it as an unclear phrase, advising against its usage. It's better to opt for grammatically correct alternatives such as ""claim to know"" or ""profess to know"". These alternatives more clearly and effectively convey the intended meaning of declaring or claiming knowledge. Using standard English ensures clarity and credibility in communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Claim to know
Replaces "assert" with "claim", offering a more common and grammatically sound way to express a declaration of knowledge.
Profess to know
Substitutes "assert" with "profess", implying a declaration of knowledge that may or may not be genuine.
Maintain to know
Uses "maintain" instead of "assert", suggesting a sustained declaration of knowledge despite potential doubt.
Allege to know
Replaces "assert" with "allege", indicating a declaration of knowledge that is yet to be proven.
Declare to know
Uses "declare" instead of "assert", offering a formal way to express a statement of knowledge.
Contend to know
Substitutes "assert" with "contend", suggesting a forceful declaration of knowledge as part of an argument.
Argue to know
Replaces "assert" with "argue", indicating a declaration of knowledge supported by reasoning.
Believe to know
Uses "believe" instead of "assert", offering a weaker statement of knowledge based on personal conviction.
Presume to know
Substitutes "assert" with "presume", implying a declaration of knowledge based on assumption rather than certainty.
Imagine to know
Replaces "assert" with "imagine", indicating a speculative declaration of knowledge.
FAQs
What's wrong with the phrase "assert to know"?
The phrase "assert to know" is grammatically awkward and not idiomatic in English. It's better to use phrases like "claim to know" or "profess to know", which are more commonly accepted.
How can I use "assert" correctly in a sentence about knowledge?
Use "assert" followed by a clause that expresses a belief or opinion, such as "He asserted that he knew the truth" or "She asserted her right to know the facts". Avoid using "assert" directly with the infinitive "to know".
Which is correct, "assert to know" or "claim to know"?
Claim to know is correct and widely used. "Assert to know" is grammatically incorrect and should be avoided.
What are some alternatives to "assert to know"?
Alternatives include "claim to know", "profess to know", or simply stating that someone "believes they know" something. The best choice depends on the specific context.
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested