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
therefore is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "therefore is" is correct and can be used in written English.
It is typically used as a connecting phrase to indicate a conclusion or consequence based on the information presented in the previous part of the sentence. Example: "I have been working hard on my studies, therefore my grades have significantly improved."
✓ Grammatically correct
News & Media
Encyclopedias
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
59 human-written examples
The answer, therefore, is vermouth.
News & Media
The risk, therefore, is obvious.
News & Media
The conclusion, therefore, is simple.
News & Media
This, therefore, is their redress.
News & Media
Nor, therefore, is exactness of language.
News & Media
The resolution, therefore, is a political landmark.
News & Media
Personal identity, therefore, "is not what matters".
Encyclopedias
Geographic separation, therefore, is not a RIM.
Encyclopedias
Most of this speculation, therefore, is premature.
News & Media
Reliability, therefore, is the threshold standard.
News & Media
The threat therefore is not imagined.
News & Media
Expert writing Tips
Best practice
Use "therefore is" to clearly signal a logical conclusion based on preceding information. Ensure the connection between the preceding statement and the conclusion is evident to the reader.
Common error
Avoid using "therefore is" to connect sentences that lack a clear logical relationship. Ensure that the second part of the sentence truly follows as a consequence of the first.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "therefore is" functions as a conjunctive adverb linking two clauses, indicating that the second clause is a logical consequence or result of the first. It helps establish a cause-and-effect relationship within the text. According to Ludwig, the phrase is grammatically correct and commonly used.
Frequent in
News & Media
54%
Science
25%
Encyclopedias
8%
Less common in
Formal & Business
5%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "therefore is" serves as a pivotal connector, expressly indicating a logical consequence or conclusion, a function that is affirmed by Ludwig AI as grammatically sound. Its prevalence across diverse sources, including news media and scientific publications, underscores its versatility in conveying reasoned outcomes. When writing, employ "therefore is" judiciously, ensuring a clear and logical connection between the statements it bridges. Though versatile, maintain awareness of alternative expressions to enrich your writing style and ensure precision in different contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
thus it is
Replaces "therefore" with "thus", maintaining a formal tone while slightly altering the phrasing.
consequently it is
Substitutes "therefore" with "consequently", providing a direct synonym and retaining similar formality.
it follows that it is
Replaces "therefore" with the more explicit "it follows that", adding a touch of formality.
accordingly it is
Uses "accordingly" in place of "therefore", offering a near synonym with minimal change in meaning.
hence it is
Replaces "therefore" with "hence", creating a slightly more archaic or formal tone.
it implies that it is
Emphasizes the implication or logical connection, offering a more explanatory alternative.
as a result it is
Focuses on the consequence aspect, making the cause-effect relationship more explicit.
for this reason it is
Highlights the reasoning behind the conclusion, providing a more detailed connection.
that's why it is
Offers a more casual alternative, suitable for less formal contexts.
subsequently it is
Indicates a sequence or succession, adding a temporal aspect to the consequence.
FAQs
How can I effectively use "therefore is" in a sentence?
Ensure that the clause preceding "therefore is" logically leads to the statement that follows. It should clearly indicate a cause-and-effect relationship.
What are some alternatives to using "therefore is" in formal writing?
In formal writing, you could use alternatives like "thus it is", "consequently it is", or "it follows that it is" to maintain a sophisticated tone.
Is there a difference between "therefore is" and "because it is"?
"Therefore is" indicates a conclusion or result, while "because it is" introduces a reason or cause. They serve opposite functions in a sentence.
Can I start a sentence with "therefore is"?
While grammatically possible, starting a sentence directly with "therefore is" can sound awkward. It's generally better to include it within the sentence to connect related ideas.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested