- A rigorous, compelling argument, including:
- Formal proof
- Mathematical proof
- Proof theory, a branch of mathematical logic that represents proofs as formal mathematical objects
- Logical argument
- Evidence (law), tested evidence or a legal proof

# Extensive Definition

Proof may refer to:

- Various kinds of testing or checking
- Proofing (baking technique), the process by which a yeast-leavened dough rises, also called "proving"
- Proofreading
- Artist's proof, a single print taken during the printmaking process
- Proof coinage, a coin made as an example of a particular strike
- Proof test, for a firearm
- Homeopathic proving, testing a substance's effect on the body

- Galley proof, a preliminary version of a publication
- Proof (alcohol), measure of an alcoholic drink's strength

In entertainment:

- Proof (1991 film), an Australian film by Jocelyn Moorhouse
- Proof (play), a play by David Auburn
- Proof (2005 film), a film directed by John Madden, based on the play
- "Proof", a B-side by the band Coldplay, off their single Speed of Sound
- "Proof", a song by Paul Simon from his 1990 album The Rhythm of the Saints
- "Proof", a song by Happy Rhodes from her 1998 album Many Worlds Are Born Tonight
- "Proof", a 2004 song by J-pop group angela
- "Proof", a 2007 song by japanese artist Mell
- Proof (rapper), deceased member of D12
- Proof (comics), a comic series from Image Comics

disproven in Bengali: প্রমাণ

disproven in Czech: Důkaz

disproven in Danish: Bevis

disproven in German: Proof

disproven in Estonian: Proof

disproven in Spanish: Prueba

disproven in Esperanto: Pruvo

disproven in Italian: Prova

disproven in Hungarian: Bizonyítás

disproven in Dutch: Proof

disproven in Norwegian: Bevis

disproven in Portuguese: Prova
(desambiguação)

disproven in Romanian: Dovadă

disproven in Russian: Доказательство

disproven in Simple English: Proof

disproven in Slovak: Dôkaz

disproven in Serbo-Croatian: Dokaz

disproven in Finnish: Todistus

disproven in Thai: พรูฟ