Proof most often refers to: * Proof (truth), argument or sufficient evidence for the truth of a proposition * Alcohol proof, a measure of an alcoholic drink's strength Proof may also refer to:

Mathematics and formal logic

* Formal proof, a construct in proof theory *

Mathematical proof A mathematical proof is a deductive reasoning, deductive Argument-deduction-proof distinctions, argument for a Proposition, mathematical statement, showing that the stated assumptions logically guarantee the conclusion. The argument may use othe ...

, a convincing demonstration that some mathematical statement is necessarily true * Proof complexity, computational resources required to prove statements * Proof procedure, method for producing proofs in proof theory *

Proof theory Proof theory is a major branchAccording to , proof theory is one of four domains mathematical logic, together with model theory, axiomatic set theory, and recursion theory. consists of four corresponding parts, with part D being about "Proof The ...

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

Law and philosophy

Evidence Evidence for a proposition is what supports the proposition. It is usually understood as an indication that the proposition is truth, true. The exact definition and role of evidence vary across different fields. In epistemology, evidence is what J ...

, information which tends to determine or demonstrate the truth of a proposition *

Evidence (law) The law of evidence, also known as the rules of evidence, encompasses the rules and legal principles that govern the proof of facts in a legal proceeding. These rules determine what evidence must or must not be considered by the trier of fa ...

, tested evidence or a legal proof * Legal burden of proof, duty to establish the truth of facts in a trial * Philosophic burden of proof, obligation on a party in a dispute to provide sufficient warrant for their position *

Probate In common law jurisdictions, probate is the judicial process whereby a will is "proved" in a court of law and accepted as a valid public document that is the true last testament of the deceased; or whereby, in the absence of a legal will, the e ...

, the judicial process whereby a will is "proved" in a court of law and accepted as valid

Manufacturing and printing

* Artist's proof, a single print taken during the printmaking process * Galley proof, a preliminary version of a publication * Prepress proof, a facsimile of press artwork for job verification * Proof coinage, coins once made as a test, but now specially struck for collectors * Proof of concept, demonstration that a concept has practical potential * Proof test, stress test of structures such as vessels and weapons * Proofreading, reviewing a manuscript for errors or improvements

People

* Proof (rapper) (1973–2006), American rapper and member of D12 * Sam Proof (born 1974), U.S. actor

Places

* Proof School, San Francisco, California, USA; a secondary school

Arts and entertainment and media

Film, television, and theatre

* ''Proof'' (play), a 2000 play by David Auburn

Film

* ''Proof'', a 1980 student film by Kevin Reynolds, expanded to ''

Fandango Fandango is a lively partner dance originating in Portugal and Spain, usually in triple metre, triple meter, traditionally accompanied by guitars, castanets, tambourine or hand-clapping. Fandango can both be sung and danced. Sung fandango is u ...

'' * ''Proof'' (1991 film), an Australian film by Jocelyn Moorhouse * ''Proof'' (2005 film), a film by John Madden, based on the 2000 play by David Auburn

Television

* ''Proof'' (2004 TV series), an Irish drama/thriller * ''Proof'' (2015 TV series), an American medical/supernatural drama * "Proof" (''Devious Maids''), a television episode

Literature

* ''Proof'' (comics), a comic series from Image Comics * "Proof", a 1942 science fiction short story by Hal Clement * '' PROOF!'', a magazine published by Lynne McTaggart * ''Proof'', print magazine of online platform '' The Justice Gap''

Music

Albums and records

* ''Proof'', an album by Emily Elbert, 2010 * ''Proof'', an EP by Colour Coding, 2012 * ''Proof'' (album), an anthology album by BTS, 2022

Songs and singles

* "Proof" (I Am Kloot song), 2003 * "Proof" (Paul Simon song), 1991 * "Proof"/"No Vain", a single by Mell, 2007 * "Proof", a song by Angela, 2004 * "Proof", a song by Chris Brown from '' Royalty'', 2015 * "Proof", a song by Coldplay, a B-side of the single " Speed of Sound", 2005 * "Proof", a song by Happy Rhodes from '' Many Worlds Are Born Tonight'', 1998 * "Proof", a song by Paramore from '' Paramore'', 2013