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Definition of proof. as in evidence. something presented in support of the truth or accuracy of a claim she presented proof that she had not cheated. Synonyms & Similar Words. Relevance. evidence. testimony. documentation. testament. testimonial. confirmation. witness. validation. corroboration. substantiation. attestation. document. voucher.
Definition of proof noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Definitions of proof. noun. any factual evidence that helps to establish the truth of something. “if you have any proof for what you say, now is the time to produce it” synonyms: cogent evidence. see more. noun. a formal series of statements showing that if one thing is true something else necessarily follows from it. see more. noun.
[ 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 establishes a valid conclusion.
4 days ago · 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. I would need to bring in something with my French address on it as proof of residence. [ + of] Economists have been concerned with establishing proofs for their arguments.
a fact or a piece of information that shows something exists or is true: She showed us her passport as proof of her identity. [ + (that) ] My landlord has asked for proof that I'm employed. Fewer examples. There was no absolute proof of fraud. In the absence of any proof, it is impossible to accuse her.
a : an act or process of showing that something is true. The burden of proof [=the need to show that something is true] is on the prosecuting lawyer of the case. b mathematics : a test which shows that a calculation is correct. The proof shows that the theorem is true. mathematical proofs. 3.
