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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as a proof of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as a proof of" is not correct in standard written English; the correct form is "as proof of." You can use it when you want to indicate that something serves as evidence or verification of a claim or statement.
Example: "She presented her diploma as proof of her qualifications for the job."
⚠ May contain grammatical issues
Science
News & Media
Academia
Alternative expressions(20)
as evidence of
as verification of
serving as proof of
in confirmation of
as a demonstration of
confirming
to demonstrate
to validate
as a confirmation of
as a probation of
as a rationale of
as a testimony of
as a documentation of
as a testament of
as a verification of
as a validation of
as a indication of
as a justification of
as a test of
as a testing of
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
45 human-written examples
Dr. Brewer sees it as a proof of principle.
News & Media
Still, the experiment became known as a proof of principle.
News & Media
As a proof of concepts, samples of human EA.
Science
Several simulation examples are presented as a proof of concept.
Science
We have assigned a universal citation to the first few states as a proof of concept.
Academia
Jibo is released as a proof of concept on youtube TechCrunch.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
Valproic acid (VPA) is highlighted as a proof-of-principle.
Academia
As a proof-of-concept experiment, Sabatini tested two drugs.
News & Media
As a proof-of-concept, blanket wash solvents are designed.
This is an experimental module, provided mostly as a proof-of-concept.
But as a proof-of-concept, it's not bad.
News & Media
Expert writing Tips
Best practice
When aiming for formal writing, consider alternatives like "as evidence of" or "serving as proof of".
Common error
Avoid using the indefinite article "a" before "proof". The grammatically correct form is "as proof of".
Source & Trust
85%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase functions as a prepositional phrase indicating the purpose or reason for something. While Ludwig identifies it frequently, note that it is grammatically incorrect. The correct usage is without the article 'a', as in "as proof of".
Frequent in
Science
45%
News & Media
28%
Academia
27%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "as a proof of" is a very common phrase used to indicate that something serves as evidence or verification. However, Ludwig AI identifies it as grammatically incorrect; the proper form is "as proof of". Despite its frequent use across scientific, academic, and news contexts, it's crucial to avoid the article "a" for grammatical accuracy. Alternatives such as "as evidence of" or "serving as proof of" may be considered, especially in formal writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as evidence of
This alternative replaces "proof" with "evidence", providing a more direct synonym.
as a demonstration of
This phrase uses "demonstration" instead of "proof", emphasizing the act of showing or illustrating something.
serving as proof of
This alternative adds the verb "serving", which highlights the action of providing proof.
to demonstrate
This is a more concise way to express the same idea, focusing on the act of showing.
to validate
This alternative uses "validate", implying confirmation of accuracy or truth.
confirming
This is a shorter, more direct alternative focusing on the act of confirming something.
as a confirmation of
This alternative uses a noun form to convey a proof.
as verification of
Using "verification" emphasizes the act of confirming the truth or accuracy of something.
as substantiation of
This option replaces proof with substantiation, pointing to the act of producing evidence for a particular claim.
in confirmation of
This construction places emphasis on the confirming action itself.
FAQs
Is it grammatically correct to say "as a proof of"?
No, the grammatically correct form is "as proof of". The inclusion of the article "a" is considered incorrect in this context. You might also consider alternatives such as "as evidence of".
What does "as proof of" mean?
The phrase "as proof of" indicates that something serves as evidence or verification of a claim or statement. It signifies that what follows is meant to demonstrate the truth or validity of something.
Can I use "as a proof of" in formal writing?
While "as a proof of" is frequently used, it's grammatically incorrect. For formal writing, it's advisable to use "as proof of" or alternative phrases like "as evidence of", "serving as proof of", or "in confirmation of".
What are some alternatives to "as proof of"?
Some alternatives include "as evidence of", "as a demonstration of", "serving as proof of", and "confirming". The best choice depends on the specific context and desired level of formality.
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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
85%
Authority and reliability
3.8/5
Expert rating
Real-world application tested