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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
demonstrate proof of age
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "demonstrate proof of age" is correct and usable in written English.
It can be used when requesting someone to provide evidence or verification of their age, often in contexts like age-restricted activities or services. Example: "To enter the club, you must demonstrate proof of age by showing a valid ID."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(1)
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
Potential voters "have to demonstrate proof of age, the vast majority of time people are showing a birth certificate or a passport, which also reflects citizenship.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Our results demonstrate proof-of-principle that there is differential expression of volatiles in melanoma.
Science
While these data demonstrate proof of principal that follicle growth can be supported in vitro even at very young ages, key differences from adult ovarian tissue have been demonstrated.
Science
As such, they go to the party who can demonstrate proof of purchase or adoption.
News & Media
The express goal of the $100 million initiative is to demonstrate "proof of concept" for interstellar extraterrestrial drones.
News & Media
Public and private actors could be engaged to provide funding to scale projects that demonstrate proof of concept.
News & Media
The first was simply to demonstrate proof of concept.
Science
Further, exploration is necessary to achieve significant success and to demonstrate proof of concept.
Science
We demonstrate proof of concept that ETI motions can be recorded by portable IMUs.
We also demonstrate proof of principle that this genome wide functional analysis will enable discovery of novel infection related biology.
Science
None suffered adverse effects, and one experienced an improvement in night vision – demonstrating proof of principle.
News & Media
Expert writing Tips
Best practice
When requesting age verification, be specific about acceptable forms of identification. For example, state: "Please demonstrate proof of age with a valid driver's license or passport."
Common error
Avoid using overly casual language when asking for age verification in formal or legal contexts. Instead of saying "prove you're old enough", use a more professional phrase like "demonstrate proof of age".
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "demonstrate proof of age" functions as a request or requirement for age verification. It is typically used in situations where age restrictions apply, as seen in the Ludwig examples related to licenses and competitions. Ludwig AI confirms that the phrase is correct and usable in written English.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "demonstrate proof of age" is a grammatically correct and usable phrase, according to Ludwig, employed to request or require age verification. While relatively rare, it appears across various contexts, including news, science, and wikis. Typically, it is found in official requests to ensure compliance with legal or organizational age requirements. Alternative phrases include ""provide age verification"" and ""show evidence of age"". When using the phrase, specificity regarding acceptable forms of identification is essential for clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
provide age verification
Focuses on the action of providing verification, simplifying the phrasing.
show evidence of age
Replaces "demonstrate" with "show" and "proof" with "evidence", offering a more straightforward expression.
furnish age documentation
Uses more formal vocabulary to describe the action of supplying age-related documents.
present age identification
Highlights the act of presenting identification specifically to verify age.
offer age confirmation
Emphasizes the act of offering something that confirms age.
substantiate age with documentation
Highlights the process of proving age through the submission of documents.
validate age through ID
Focuses on the validation aspect using an ID for age confirmation.
verify age by presenting documents
Changes the structure to emphasize the verification process through document presentation.
establish age using official papers
Focuses on establishing age with a formal tone using official papers.
legally prove age
Emphasizes the legal aspect of proving one's age.
FAQs
How can I ask for age verification politely?
Instead of directly demanding proof, you can say, "Could you please "provide age verification"?" or "We require all patrons to "show evidence of age" upon entry."
What documents are typically accepted as "demonstrate proof of age"?
Common forms of identification include driver's licenses, passports, birth certificates, and government-issued ID cards. Always specify which documents are acceptable to avoid confusion.
In what situations is it necessary to "demonstrate proof of age"?
Age verification is often required when purchasing age-restricted items like alcohol or tobacco, entering age-restricted venues like bars or casinos, or participating in activities with age limitations.
Is "demonstrate proof of age" the same as ""provide age verification""?
Yes, the phrases are largely interchangeable. "Demonstrate proof of age" is slightly more formal, while ""provide age verification"" is more direct. Both phrases serve the same purpose.
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested