Formal System Development Methodologiesby carissagrayson Formal System Development MethodologiesCarissa Robinson GraysonJune 6, 2010Formal systems development methodologies, also sometimes referred to as Formal Methods, are used to model systems using mathematics. By using mathematics to model a complex system, properties of the system can be verified without empirical testing. (Collins)Formal systems development methodologies are different from other design systems through formal verification, the principles are proven correct before they are accepted. Traditional design systems have been used to verify behavior but testing is capable of only finite conclusions. (Collins)Formal design is usually a three step process. * Step one is when the engineer decides how a system will be using a modeling language. This step is similar to the formal software engineering technique developed by many others. This step helps the engineer to define their problems, goals and solutions. * Step two is the step that deals with verification. Formal methods put a huge emphasis on provability and correctness. Verification is difficult because even the simplest system has at least a dozen t ...
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