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3 days ago · 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.

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

Emmy Winner Ayo Edebiri (“The Bear”) and Golden Globe Winner Don Cheadle (“House of Lies”) make their long-awaited Broadway debuts in David Auburn’s Pulitzer and Tony Award winning PROOF.

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.

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.

[uncountable] evidence or facts that are sufficient to establish a thing as true or believable. Mathematics, Philosophy [countable]a sequence of steps, statements, or demonstrations that leads to and …

Jun 7, 2026 · proof (countable and uncountable, plural proofs) (countable) An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.

Proof is the evidence that shows something is true or valid. When you show the logical steps that take you from your hypothesis that the world is round to the conclusion that it is, you're formulating a proof.

A proof is a logical or mathematical demonstration confirming the validity of a proposition, statement, or theory by presenting a structured set of reasons or evidence.