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the overall problem with modeling requirements will be stated here.
SysML 1.5 Property Based Requirements Working Group focused on 'feasible' or allowable revision of SysML (version 1.5) in support of improving requirement representation. Incremental (dot) releases of SysML are necessarily constrained in scope, so these changes need to be small and circumspect. This wiki is restricted to OMG members.
these will be copied from the SysML 1.5 RTF PBRWG wiki