as proof by

USAGE SUMMARY

The phrase "as proof by" is not correct in English; it should be "as proof of." You can use the corrected phrase when you want to indicate evidence or support for a statement or claim.
Example: "The results of the experiment were published, as proof of the theory's validity."

⚠ May contain grammatical issues

News & media

Science

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

In many cases, material offered as proof by these veterans is undercut by official Navy records and the men's own statements.

The New York Times

Likewise, if I claim to be Belle this will be accepted as proof by those who want to believe its me, and taken as a denial by those who favour rival theories.

The Guardian

But this week's ruling was a crucial step because it means that many of his findings -- that Microsoft is a monopoly, for example -- may be accepted as proof by other courts in private suits.

The New York Times

The case was widely held up as proof by many minorities that the Police Department was rife with officers with little regard for their rights, or, indeed, their lives, and it has continued to resonate as a political issue.

The New York Times

"The Gospel is not about killing people in the name of the Lord, and Jesus made that very clear". Thompson worries that the existence of this game will be taken as proof by radical Muslims that Western culture is mounting a modern-day crusade against non-Christian faiths.

The Washington Post

Donors include Paul Myles, who organised the festival, and who now wonders if the book, holding one third of the original document which would have been kept as proof by one of the parties to the agreement, could have belonged to Elizabeth.

The Guardian - Books

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

To this purpose, note that one of the authors (F. Karabiber) has already started to work on the Eye-RIS vision system, as is proof by the results published in [22].

EURASIP Journal on Advances in Signal Processing

They offered as proof statements by coalition forces and Afghan intelligence officials, according to court records.

Los Angeles Times

The fact that the authorities even deigned to bring charges against Mr. Arnada was seen by many as proof of capitulation by the government in the face of Indonesia's minority hard-line fringe.

The New York Times

The metaphor has been interpreted as a proof by contradiction that a perfect map is impossible, supporting the well-known aphorism of Korzybski [1941]: "the map is not the territory".

SEP

Consumers will continue to be protected by laws addressing check disputes, and images have been accepted as proof of payment by the I.R.S. and courts for decades.

The New York Times

Expert writing Tips

Best practice

Always use the correct phrasing: "as proof of". This ensures grammatical accuracy and clarity in your writing.

Common error

Avoid using "as proof by". The correct preposition to use with "proof" in this context is "of".

Linguistic Context

The phrase "as proof by" is intended to function as a prepositional phrase indicating the provision of evidence. However, according to Ludwig AI, this construction is grammatically incorrect; the correct form is "as proof of".

Expression frequency: Uncommon

Frequent in

News & Media

43%

Science

29%

Wiki

14%

Less common in

Encyclopedias

14%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "as proof by" is grammatically incorrect. The correct and commonly accepted form is "as proof of". While "as proof by" appears in various sources, according to Ludwig AI, it is non-standard and should be avoided in favor of "as proof of". It aims to present something as evidence, but the incorrect preposition undermines its effectiveness. When writing, always use "as proof of" to ensure clarity and grammatical correctness.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

as evidence of

Replaces "proof" with "evidence", changing the preposition to "of".

as demonstration of

Substitutes "proof" with "demonstration", indicating a clear showing of something.

as confirmation of

Uses "confirmation" instead of "proof", suggesting that something is being verified.

as testament to

Employs "testament" to indicate that something serves as strong evidence.

as verification of

Replaces "proof" with "verification", highlighting the act of confirming accuracy.

in proof of

Changes the structure to a prepositional phrase emphasizing the state of being proven.

to prove

Uses an infinitive phrase to express the purpose of providing proof.

serving as proof of

Adds "serving as" to emphasize the role of something as proof.

by way of proof

Indicates that something is presented as proof, using "by way of".

which proves

Introduces a clause that directly states that something proves a point.

FAQs

What is the correct way to say "as proof by"?

The correct way to phrase this is "as proof of". For example, "The results of the experiment were published, as proof of the theory's validity."

What can I use instead of "as proof by"?

You can use alternatives like "as evidence of", "as demonstration of", or "as confirmation of" depending on the context.

Is "as proof by" grammatically correct?

No, "as proof by" is grammatically incorrect. The correct phrasing is "as proof of".

What is the difference between "as proof of" and "as proof by"?

"As proof of" is grammatically correct and means something serves as evidence for something else. "As proof by" is not a standard English construction and should be avoided.