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
and demonstrably so
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "and demonstrably so" is correct and usable in written English.
It can be used to emphasize that something is not only true but can also be proven or shown to be true. Example: "The results of the study were significant, and demonstrably so, as they were supported by extensive data analysis."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
and logically so
and arguably so
and certainly so
and justifiably so
and appropriately so
and legally so
and aptly so
and deservedly so
and rightly so
and clearly so
and with good reason
and successfully so
and legitimately so
and fairly so
and correctly so
and justly so
and reasonably so
and justly
and accurately so
with good reason
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
6 human-written examples
This was false, and demonstrably so, but Fiorina just kept saying it.
News & Media
The MPs concluded: "Goldman Sachs should have been either 'in' or 'out' of the deal, and demonstrably so.
News & Media
Goldman Sachs, unpaid adviser to Philip Green and his Taveta group "Should have been either 'in' or 'out' of the deal, and demonstrably so.
News & Media
I imagine that Russia and China can be tricky bedfellows… I think the arts can be very influential and demonstrably so.
News & Media
The Court of Appeals' decision is simply wrong, and demonstrably so.
News & Media
"He [Morton] has made a number of claims that are false and demonstrably so," said Fields, who added that he had read Morton's book.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Q: Why is it important to ensure that elections are not only well run and fair but demonstrably so?
And yet, regardless of what Russell thinks about his site or his own intentions, there's no denying that dating is racially motivated — and online dating, demonstrably so.
News & Media
The Phillips show, organized by Elizabeth Hutton Turner, is based on the proposition that his art was more or less of a piece from beginning to end, and this is demonstrably so.
News & Media
Secondly, it must not be merely "technically" independent, but demonstrably so.
News & Media
It was a particular shame for Elba, says the director Jim O'Hanlon, who has worked with him, because he is demonstrably so talented.
News & Media
Expert writing Tips
Best practice
Use "and demonstrably so" to add emphasis when you want to highlight that a statement is not only true but also supported by evidence.
Common error
Avoid using "and demonstrably so" in casual conversations or informal writing, as it can sound overly formal or pretentious. Opt for simpler alternatives like "and clearly" or "and obviously" in such contexts.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "and demonstrably so" functions as a conjunction used to emphasize the validity of a preceding statement by indicating that it can be clearly proven or demonstrated. Ludwig AI highlights that it is usable in written English to stress provable truth.
Frequent in
News & Media
66%
Academia
16%
Science
8%
Less common in
Formal & Business
8%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "and demonstrably so" is a conjunction used to emphasize that a preceding statement is not only true but can be proven with evidence. Ludwig AI confirms its usability in written English. It's best suited for formal contexts like news reporting, academic writing, and business communication. While grammatically correct, overuse in informal settings can sound pretentious. Alternatives like "and clearly so" or "and evidently so" offer similar emphasis in a less formal tone.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
and provably so
Replaces "demonstrably" with "provably", emphasizing that something can be proven with evidence.
and verifiably so
Substitutes "demonstrably" with "verifiably", highlighting that something can be checked or confirmed.
and clearly so
Replaces "demonstrably" with "clearly", indicating something is easily perceived or understood.
and undeniably so
Substitutes "demonstrably" with "undeniably", emphasizing that something cannot be denied or disputed.
and evidently so
Substitutes "demonstrably" with "evidently", suggesting something is apparent or obvious.
and patently so
Substitutes "demonstrably" with "patently", implying something is undeniably true or obvious.
and manifestly so
Replaces "demonstrably" with "manifestly", suggesting something is plainly or obviously apparent.
and observably so
Replaces "demonstrably" with "observably", indicating something is noticeable or discernible.
and incontestably so
Replaces "demonstrably" with "incontestably", highlighting that something is beyond dispute.
and certainly so
Substitutes "demonstrably" with "certainly", emphasizing that something is definite or assured.
FAQs
How can I use "and demonstrably so" in a sentence?
Use "and demonstrably so" to emphasize that something is not only true but can also be proven with evidence. For example: "The experiment's results were conclusive, and demonstrably so."
What phrases are similar to "and demonstrably so"?
You can use alternatives like "and clearly so", "and evidently so", or "and provably so".
When is it appropriate to use "and demonstrably so"?
It's appropriate to use "and demonstrably so" in formal writing or when you want to emphasize the provable nature of a statement, especially in academic, scientific, or professional contexts.
Is "and demonstrably so" formal or informal?
"And demonstrably so" is a formal phrase. In informal contexts, simpler alternatives like "and obviously" or "and clearly" may be more suitable.
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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