Proof

Proof most often refers to:

Proof may also refer to:

Mathematics and formal logic

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

Evidence, information which tends to determine or demonstrate the truth of a proposition
Evidence (law), 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, the judicial process whereby a will is "proved" in a court of law and accepted as valid

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

Proof, a 1980 student film by Kevin Reynolds, expanded to Fandango
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
The Proof, a 2026 upcoming Tamil film

"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
"The Proof", a song by Jill Tracy from Diabolical Streak, 1999
"The Proof", a song from the soundtrack of Godzilla: Final Wars, 2004
"The Proof", a song by High Flight Society from the album Lights Come Down, 2011
"The Proof", a song by Jet Trouble, 2018
The Proof, a mixtape by Reason, 2016