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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
how would we know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "how would we know" is correct and usable in written English.
It can be used when questioning the certainty or source of knowledge regarding a particular situation or fact. Example: "If no one has ever been to the bottom of the ocean, how would we know what lies there?"
✓ Grammatically correct
News & Media
Science
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
60 human-written examples
How would we know?
News & Media
"But how would we know?
News & Media
"How would we know compassion?
News & Media
— How would we know? he said.
News & Media
And how would we know if they were?
Science
How would we know it?
News & Media
When Universes Collide, How Would We Know?
News & Media
But without Vloggers how would we know?
News & Media
Without proper oversight, how would we know?
News & Media
How would we know to commission you?
News & Media
How would we know about my son's condition or mine?
News & Media
Expert writing Tips
Best practice
When using the phrase, consider whether a more direct question about evidence or methodology would be clearer. For example, instead of "How would we know if the policy is effective?", ask "What metrics will indicate the policy's success?".
Common error
Avoid using "how would we know" in situations where the answer is self-evident or trivially obtainable. For instance, "How would we know if the sun rises in the east?" is unnecessary and can undermine your credibility.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "how would we know" functions primarily as an interrogative clause, posing a question about the means or methods of acquiring knowledge. As Ludwig AI says, it questions the source of knowledge or its certainty in a situation. This type of clause introduces an inquiry, prompting consideration of evidence, methodology, or the validity of a claim.
Frequent in
News & Media
60%
Academia
20%
Science
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "how would we know" is a grammatically sound and frequently used phrase that functions as an interrogative clause, designed to question the basis of knowledge or understanding. Ludwig AI confirms its correctness and usability. It appears most often in news and media, academic, and scientific contexts, suggesting a neutral to formal register. When using the phrase, consider whether a more direct inquiry about evidence or method would provide clarity. While widely accepted, steer clear of using it in self-evident scenarios. Related phrases emphasize the search for certainty and evidence. By considering these points, you can employ "how would we know" effectively in your writing and discussions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
how can we be certain
Focuses on the level of assurance regarding knowledge, rather than the method of knowing.
what evidence do we have
Emphasizes the factual basis required to support a claim.
how could we determine
Highlights the process of finding something out through investigation or analysis.
by what means could we ascertain
Presents a more formal way of asking how something can be discovered.
how might we find out
Suggests exploring potential methods of gaining information.
what makes us think we know
Questions the assumptions underlying a perceived understanding.
what is our basis for knowing
Directly asks about the foundation or rationale behind a claim of knowledge.
how are we to know
Implies a lack of clear guidance or instruction on gaining knowledge.
what indicators would there be
Looks for signs or clues that would provide information.
how can we verify
Focuses specifically on confirming the truth or accuracy of something.
FAQs
How can I rephrase "how would we know" to sound more formal?
For a more formal tone, you could use phrases like "by what means could we ascertain?", "what evidence supports this claim?", or "how can we be certain?". The choice depends on the specific context and the desired level of formality.
Is "how would we know" appropriate for academic writing?
Yes, "how would we know" is appropriate for academic writing, particularly when questioning assumptions, methodologies, or the validity of evidence. However, ensure the phrasing aligns with the overall tone and style of your work. Consider alternatives like "how can we determine" or "what evidence do we have" for a more scholarly tone.
What's the difference between "how would we know" and "how do we know"?
"How do we know" typically refers to current knowledge or understanding, while "how would we know" often explores hypothetical situations or future possibilities. For example, "How do we know the Earth is round?" seeks current evidence, whereas "How would we know if we've achieved world peace?" considers future indicators.
What can I say instead of "how would we know" in a casual conversation?
In casual conversation, you can use simpler alternatives like "how can we tell?", "how can we be sure?", or "what's the giveaway?". The best choice depends on the specific nuance you want to convey.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested