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Proof-of-work system — A Proof of work ( POW ) system (or protocol, or function) is an economic measure to deter denial of service attacks and other service abuses such as spams on a network by requiring some work from the service requester, usually meaning processing… … Wikipedia
Proof (rapper) — Proof Proof in August 2005 Background information Birth name DeShaun Dupree Holton Born October 2, 1973 … Wikipedia
proof — n [alteration of Middle English preove, from Old French preuve, from Late Latin proba, from Latin probare to prove] 1: the effect of evidence sufficient to persuade a reasonable person that a particular fact exists see also evidence 2: the… … Law dictionary
Proof theory — is a branch of mathematical logic that represents proofs as formal mathematical objects, facilitating their analysis by mathematical techniques. Proofs are typically presented as inductively defined data structures such as plain lists, boxed… … Wikipedia
Proof — may refer to: * A rigorous, compelling argument ** 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… … Wikipedia
Proof-of-payment — or POP is an honor based fare collection approach used on many public transportation systems. Instead of checking each passenger as they enter a fare control zone, proof of payment requires that each passenger carry a ticket or pass proving that… … Wikipedia
Proof of delivery — is a method to establish the fact that the recipient received the contents sent by the sender. When the sender sends multiple documents through the mail there is a possibility of some not reaching the intended recipient. Generally post offices… … Wikipedia
Proof complexity — In computer science, proof complexity is a measure of efficiency of automated theorem proving methods that is based on the size of the proofs they produce. The methods for proving contradiction in propositional logic are the most analyzed. The… … Wikipedia
Proof of Life — Infobox Film name = Proof of Life caption = Theatrical poster director = Taylor Hackford producer = Executive Producers: Tony Gilroy Steven Reuther Producers: Taylor Hackford Charles Mulvehill writer = Tony Gilroy starring = Russell Crowe Meg… … Wikipedia
proof — /proohf/, n. 1. evidence sufficient to establish a thing as true, or to produce belief in its truth. 2. anything serving as such evidence: What proof do you have? 3. the act of testing or making trial of anything; test; trial: to put a thing to… … Universalium
