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
that is indeed correct
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is indeed correct" is correct and usable in written English.
You can use it when you want to agree with a statement or show that something has been accurately assessed or described. For example: "The Earth orbits around the Sun. That is indeed correct."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
that's absolutely right
that much is certain
that much is sacrosanct
that is so
you are right
that much is obvious
that's the truth
That's correct
that much is clear
that much is unbreakable
that much is indisputable
that much is inarguable
that is certainly true
precisely
that is accurate
that much is familiar
you're spot on
that much is modern
you're absolutely right
that is right
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
1 human-written examples
[ 43] That is indeed correct, and it also forces the deeper question of what other seemingly trivial fifteen-minute changes, casually made by teachers as a part of their daily activity, have effects that may actually be long-lasting and substantial in their consequences, but go unrecognised because they are not formally studied.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
How do we check that this is, indeed, correct using this definition?
Google just confirmed to us that this is indeed correct, though the company didn't want to comment on the details of how this will work.
News & Media
Authors' response: This is indeed correct.
Science
So the suggestion is that Apple is indeed correct when it says that a government request to backdoor security in the case of a single iPhone comes with "no guarantee" that such moves could be limited to just one iPhone.
News & Media
I have very little reason to doubt that the consensus is indeed correct".
News & Media
A Google spokesperson confirmed to us that this report is indeed correct.
News & Media
"At the moment the tech is using a lot of NLP for extracting relevant information from emails sent to Julie and a 50percentAI/50percent cent human combo," says Hobeika. "What I mean by that is the AI is still at a learning stage so the AI is suggesting behavior for the service and a human is there to supervise and confirm that the behavior is indeed correct for the current situation.
News & Media
Simulations (see Results) suggest that this expectation is indeed correct.
Science
Unfortunately software can have bugs, and if the validation routine does not report any validity errors, this could indicate that either the diagram is indeed correct (true negative), or that there is a bug in the software encoding the rules (false negative).
Science
Importantly, the ligands observed for the first two Ca2+-binding sites of the synaptotagmin-7 C2B domain are analogous to those originally identified by NMR spectroscopy as the Ca2+-ligands for the synaptotagmin-1 C2B domain [17] (Figure 5B), supporting the notion that this binding mode is indeed correct.
Science
Expert writing Tips
Best practice
In academic or professional contexts, this phrase adds a layer of confirmation, signaling agreement with a well-supported claim.
Common error
Avoid using "that is indeed correct" excessively, as it can sound repetitive or overly formal. Vary your language by using alternatives like "exactly" or "you're right" to maintain a natural tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is indeed correct" serves as an affirmative statement, confirming the accuracy or validity of a previous assertion. Ludwig AI indicates it is correct and usable in written English, functioning to express agreement or verification.
Frequent in
Science
35%
News & Media
33%
Academia
32%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "that is indeed correct" is a grammatically sound and widely applicable expression used to affirm the validity or accuracy of a statement. Ludwig AI confirms its correct usage in written English. While it is versatile across various contexts, it is most frequently found in scientific, news, and academic domains, suggesting a neutral to formal register. For those seeking alternatives, phrases such as "that's absolutely right" or "that is certainly true" can be used to convey similar meanings with varying degrees of emphasis. It's important to avoid overusing the phrase and to consider the context to ensure the level of formality aligns with the intended audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that's absolutely right
Emphasizes the correctness with stronger affirmation.
that is certainly true
Indicates certainty about the truth of a statement.
that's quite right
Expresses agreement, often used in British English.
that is accurate
Confirms the precision or correctness of information.
that's correct
A simpler, more direct affirmation.
that is so
A more concise and sometimes emphatic agreement.
you're spot on
Informal way of saying someone is exactly right.
that's the truth
Emphasizes the veracity of the statement.
that's valid
Indicates that something is sound, just, or well-founded.
precisely
A succinct and formal way to express agreement.
FAQs
How can I use "that is indeed correct" in a sentence?
You can use "that is indeed correct" to affirm a statement or confirm its accuracy. For example: "The data confirms our initial hypothesis. That is indeed correct."
What are some alternatives to "that is indeed correct"?
You can use alternatives like "that's absolutely right", "that is certainly true", or "that's correct" depending on the context.
When is it appropriate to use "that is indeed correct"?
It is appropriate in formal or professional settings when you want to explicitly confirm the validity of a statement or piece of information.
Is "that is indeed correct" too formal for casual conversation?
While grammatically correct, "that is indeed correct" may sound overly formal in casual conversation. Simpler alternatives like "you're right" or "exactly" are generally preferred in informal 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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested