Proof
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The word proof can mean:
- originally, a test assessing the validity or quality of something.
- a rigorous, compelling argument, including:
- a logical argument or a mathematical proof (see also proof theory).
- a legal proof.
- a large accumulation of scientific evidence.
- as an adjective, to mean firm or successful in resisting.
- Rabbit-Proof Fence (movie), film based on a book.
- a photograph, print or page layout presented as an example for proofreading or approval.
- alcoholic proof, a measure of how much ethanol is in an alcoholic beverage.
- proof coinage, a coin made as an example of a particular strike.
- Proof (play), a play by David Auburn.
- Proof (movie), a film by Jocelyn Moorhouse.
- Proof (rapper), a rapper and member of the group D12.
- Yeast (baking) yeast or leavening agent, with sugar and water before making activator, beer, bread, cider, dough, or wine.