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
is indeed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'is indeed that' is correct and usable in written English.
You can use it when you want to express agreement or confirmation of a statement. Example sentence: His success in the game show could not be denied; it is indeed that he was the best contestant.
✓ Grammatically correct
Science
News & Media
Formal & Business
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 main result of the MRA analysis is indeed that sectors matter.
Science
That is, the derivative of the function that describes a line with slope 3 is indeed that same slope, 3.
If I'm really honest about it (another fine word), it is indeed that simple: you're alone in a room with the stuff that won't go away.
News & Media
And there is indeed that, as the northern and western fringes of the sea guard themselves with increasing rigour against those wishing to move there from the southern fringes.
News & Media
He called it a great technical challenge, and while Formula One is indeed that, probably the technical aspect took second place to the marketing relevance of buying the reigning world champion team.
News & Media
It is indeed that content on the Web has become the dominant resource to users for problem solving purposes.
To this end, one will depend on the characterizations of this distribution which provide conditions under which the underlying distribution is indeed that particular distribution.
Why not install an iris scanner at the Best Buy checkout counter, then you really know whether or not the person using a credit card is indeed that person?
News & Media
But it is, indeed, that thing -- the thing that makes Burning Man something that people believe in as a cause, not just a kind of turbo-charged spring break -- that's in play.
News & Media
It is indeed that loss of independence -- while struggling to hold onto it -- that can make dementia such an agonizing day-in-and-day-out struggle for both the person with the illness and the family members trying to care for their loved one.
News & Media
He is indeed that.
News & Media
Expert writing Tips
Best practice
Use "is indeed that" to affirm or emphasize a point, ensuring it logically connects to the preceding statement and adds weight to your argument.
Common error
Avoid overuse of "is indeed that" as it can make your writing sound repetitive or overly formal. Employ synonyms or rephrase sentences to maintain a natural and engaging tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is indeed that" functions as an affirmative connector, reinforcing a preceding statement or argument. It provides emphasis and validation, similar to other phrases like "in fact" or "actually." Ludwig's examples show its use across various domains, confirming its role in emphasizing agreement.
Frequent in
News & Media
40%
Science
35%
Encyclopedias
10%
Less common in
Formal & Business
5%
Reference
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, the phrase "is indeed that" serves as an effective means of affirmation and emphasis within written English. According to Ludwig, it's grammatically sound and frequently employed across various contexts, particularly in news, science, and encyclopedia sources. While versatile, its use should be moderated to prevent repetitiveness. Alternatives such as "is in fact that" or "is undeniably that" can offer similar emphasis while diversifying your writing. Remember to use "is indeed that" to underscore points logically and convincingly in your arguments.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is in fact that
Replaces "indeed" with "in fact" for a similar emphasis on the truth of the statement.
is actually that
Substitutes "indeed" with "actually" to highlight the reality of the situation, sometimes implying surprise.
is demonstrably that
Uses "demonstrably" instead of "indeed" to emphasize that the statement can be proven.
is verifiably that
Replaces "indeed" with "verifiably" to highlight that the statement is supported by evidence and can be confirmed.
is veritably that
Uses "veritably" instead of "indeed" to emphasize the truth or reality of something.
is assuredly that
Substitutes "indeed" with "assuredly" to convey a sense of certainty or confidence.
is undeniably that
Replaces "indeed" with "undeniably" to stress that the statement cannot be disputed.
is unquestionably that
Uses "unquestionably" instead of "indeed" to indicate that there is no doubt about the statement.
is categorically that
Substitutes "indeed" with "categorically" to assert the statement without any conditions or exceptions.
is plainly that
Replaces "indeed" with "plainly" to indicate that the statement is clear and obvious.
FAQs
How can I use "is indeed that" in a sentence?
The phrase "is indeed that" is used to affirm or emphasize a statement. For example, "The evidence suggests he was the culprit; it "is indeed that" he committed the crime."
What are some alternatives to "is indeed that"?
Alternatives include phrases like "is in fact that", "is actually that", or "is undeniably that", which offer similar emphasis with slightly different nuances.
Is it better to say "is indeed that" or "that is indeed"?
While both phrases can be grammatically correct, "is indeed that" typically flows better in a sentence when used to connect two related ideas. "That is indeed" often functions as a standalone affirmation.
When is it appropriate to use "is indeed that" in writing?
Use "is indeed that" when you want to reinforce a point or provide additional assurance about something previously stated. It works well in formal writing and analytical 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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested