proof of vs proof for

Both 'proof of' and 'proof for' are correct, but they are used in slightly different contexts. 'Proof of' is used to show evidence or support for a claim or statement, while 'proof for' is used to indicate the purpose or intended recipient of the proof.

Explained by Jennifer
Editor at TextRanch

Last updated: March 04, 2025 • 6544 views

This phrase is correct and commonly used in English.

"proof of"

Use 'proof of' when you want to show evidence or support for a claim or statement.

Examples:

She provided proof of her innocence.
There is no proof of his involvement in the crime.

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A proof of good conduct is not explicitly defined.
This is just proof of ownership.
Danish feta - North Korea - proof of market penetration
He's just offered further proof of his general inadequacy.
This paragraph requires the supplier to provide proof of exportation.
This is just further proof of the incompetence of your investigation.
No proof of any hidden rebels.
But we met with the proof of their guilt.
But to cast aspersions on his character is proof of desperation.
I bring proof of courage and comradeship.
Good enough to find proof of embezzlement.
The proof of concept succeeded as projected.
I expect proof of real progress soon.
This is hardly proof of a conspiracy.
Insurance should also be allowed proof of financial standing.
The president insists that proof of life be provided on a daily basis.
The president requires daily proof of life to authorize the release.
There is no physical proof of anything.
You will bring proof of what you've done.
I needed to hide the proof of my sin.

Alternatives:

evidence of
confirmation of
demonstration of
verification of
substantiation of

This phrase is correct and commonly used in English.

"proof for"

Use 'proof for' when you want to indicate the purpose or intended recipient of the proof.

Examples:

He gathered proof for his argument.
She provided proof for the validity of her research.

Show examples from the web [+]

Similarly, the reversal of the burden of proof for substances of very high concern is strongly supported.
A little proof for all of those people who never believed.
Is this a proof for groping?
To conclude, the best proof for their credibility would be to release Gilad Shalit unconditionally and to abstain from further kidnappings.
You must have some proof for your suspicions.
Only, be sure your method allows some proof for posterity's sake.
I have merely changed the burden of proof for products that no longer exist.
The burden of proof for the plaintiff is a preponderance of the evidence.
The adoption of the precautionary principle, through reversing the burden of proof for substances that cause great concern.
The burden of proof for the cessation of subsidiary protection must lie with the Member State.
The transfer to the producer and vendor of the burden of proof for lack of conformity also seems unacceptable to us, and contrary to the general principles of law.
5. The duplicate, thus annotated, shall replace the lost copy No 1 of the licence, certificate or extract in providing proof for the purpose or releasing the security.
Obtaining that proof for all quantities exported may entail considerable administrative difficulties in certain countries, which may substantially delay or prevent payment of the refund for all the quantities actually exported.
The burden of proof for a prohibition or authorisation of a concentration modified by commitments is therefore subject to the same criteria as an unmodified concentration.
Regarding the burden of proof, the standard of proof for this defence should not be lower than the standard imposed on the claimant to prove the damage.
Sending back the goods, sending a letter or a making a telephone call could also meet this requirement, but the burden of proof for demonstrating having withdrawn within the time limits specified in this Directive may be on the consumer.
This it is achieving, for example, by adopting an inverse burden of proof for banks, which will no longer be required to check with the utmost rigour to what extent a borrower is able to repay the credit.
The requirements of proof for the criteria for qualitative selection encompassed by the official list or certificate shall comply with Article 60 and, where appropriate, Article 62.
The burden of proof for any refusal rests on the data importer, and the data subject may always challenge a refusal before the authority.
Do you have proof for any of this, or is this all based on assumptions?

Alternatives:

evidence for
support for
validation for
justification for
corroboration for

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proof of vs proof for

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