The meaning of PROOF is the cogency of evidence that compels acceptance by the mind of a truth or a fact. How to use proof in a sentence.

4 days ago · Department of Homeland Security (DHS) Secretary Kristi Noem advised reporters that Immigration and Customs Enforcement (ICE) officers may ask some Americans for proof of …

PROOF definition: 1. a fact or piece of information that shows that something exists or is true: 2. a logical…. Learn more.

PROOF meaning: 1 : something which shows that something else is true or correct often + of; 2 : an act or process of showing that something is true

evidence, proof - Evidence—from Latin e-, "out," and videre, "to see"— is information that helps form a conclusion; proof is factual information that verifies a conclusion.

Proof theory, a branch of mathematical logic that represents proofs as formal mathematical objects Statistical proof, demonstration of degree of certainty for a hypothesis

Proof is a fact, argument, or piece of evidence which shows that something is definitely true or definitely exists. This is not necessarily proof that he is wrong.

to treat or coat for the purpose of rendering resistant to deterioration, damage, etc. (often used in combination): to proof a house against termites; to shrink-proof a shirt.

There are 32 meanings listed in OED's entry for the noun proof, ten of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

In the majority of cases, prove is a verb, while proof is a noun. There are rare exceptions to this rule, but they should be avoided in formal writing.