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Proofs as programsMany software developers are turned away from verification techniques because providing proofs for algorithms seems something horrible and purely theoretical to them. A newcomer to a proof assistant like Coq or Isabelle needs at least two weeks to be able to prove some simple theorems. And it is difficult to realize that proving has something to do with programming. In order to provide software verification for the masses a different approach is necessary. If one gains more experience with proofs one realizes that writing a proof is not very different from writing a program. Currently I try to exploit the technique of writing a proof like a program. This led to the notion of proof procedures. With proof procedures there is no need to issue proof commands to some proof engine to manipulate the state of the engine. One just writes assertions (i.e. boolean expressions) in a step by step logical manner. A proof look like a procedure. The article Proofs made easy with proof procedures describes the basic approach. By hbrandl at 20120508 17:03  LtU Forum  previous forum topic  next forum topic  other blogs  16304 reads

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