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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
then we know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "then we know" is correct and usable in written English.
It can be used to indicate a conclusion or understanding that follows from a previous statement or condition. Example: "If the results are consistent across multiple trials, then we know that our hypothesis is likely correct."
✓ Grammatically correct
News & Media
Science
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
The statistics, then, we know.
News & Media
Then we know for sure who won.
News & Media
Then we know where the money is going to help".
News & Media
Then we know we are back in the hands of a masterly writer.
News & Media
By then we know that the "bird" is a bat — one of the Count's preferred incarnations.
News & Media
When they start being respected and their rights being respected then we know we've arrived.
News & Media
Then we know that person is at least fast enough to play this game".
News & Media
"If that is true, then we know the likely costs and they are of significant value.
News & Media
And then we know that some committees are much more political".
News & Media
"Then we know we can beat anybody we play," he said.
News & Media
If we don't agree on a design then we know we're not there yet.
News & Media
Expert writing Tips
Best practice
Use "then we know" to clearly signal a conclusion or deduction that logically follows from a preceding condition or statement, enhancing the flow of your argument.
Common error
Avoid starting too many sentences with "Then we know", as it can make your writing sound repetitive. Vary your sentence structure by using alternatives like "therefore", "consequently", or "thus" to introduce your conclusions.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "then we know" functions as a connector, specifically indicating a logical consequence or conclusion derived from a preceding statement or condition. It signals that the information following the phrase is a direct result of what was previously mentioned. Ludwig AI confirms its usability.
Frequent in
Science
36%
News & Media
59%
Formal & Business
3%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "then we know" is a versatile and frequently used connector, signaling a conclusion or realization stemming from a preceding condition. Ludwig AI analysis confirms its grammatical correctness and wide applicability across diverse contexts, from scientific discourse to news reporting. While highly useful for creating logical flow, avoid overuse to prevent repetitiveness in writing. Alternatives like "therefore we understand" or "consequently we realize" can add nuance and variety. Remember, mastering the use of "then we know" effectively enhances clarity and strengthens your arguments, making it a valuable asset in your writing toolkit.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
therefore we understand
Replaces "know" with "understand", emphasizing comprehension as a result.
on that basis we understand
Emphasizes the foundation for understanding, replacing "then" with "on that basis" and retaining "we understand".
consequently we realize
Substitutes "then" and "know" with "consequently" and "realize", highlighting the cause-and-effect relationship and the act of becoming aware.
thus we recognize
Replaces "then" with "thus" and "know" with "recognize", indicating acknowledgement as a consequence.
it follows that we are aware
Uses a more formal structure, replacing "then we know" with "it follows that we are aware", making it sound more academic.
subsequently we ascertain
Replaces "then" with "subsequently" and "know" with "ascertain", suggesting a formal process of discovering something.
in that case we comprehend
Introduces a conditional element, swapping "then" for "in that case" and "know" for "comprehend", to express understanding in a specified situation.
from that we gather
Changes the emphasis to inference, replacing "then we know" with "from that we gather", to suggest the act of collecting information.
as a result we perceive
Highlights the outcome, swapping "then" with "as a result" and "know" with "perceive", shifting the focus to sensory awareness.
accordingly we appreciate
Indicates gratitude alongside understanding, replacing "then we know" with "accordingly we appreciate", adding a layer of gratefulness.
FAQs
How can I use "then we know" in a sentence?
Use "then we know" to indicate a logical conclusion based on preceding information. For example: "If the experiment yields consistent results, then we know our hypothesis is supported."
What are some alternatives to "then we know"?
You can use alternatives like "therefore we understand", "consequently we realize", or "thus we recognize" depending on the specific nuance you want to convey.
Is it grammatically correct to start a sentence with "then"?
Yes, starting a sentence with "then" is grammatically correct, especially when "then" functions as an adverb indicating a sequence or consequence, as in the phrase "then we know". However, ensure it connects logically to the preceding statement.
What's the difference between "then we know" and "now we know"?
"Then we know" implies a conclusion drawn from a specific condition or event. "Now we know" indicates a realization or understanding that has been reached at the present moment, potentially based on past events or newly acquired information.
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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
4.5/5
Expert rating
Real-world application tested