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[http://mywikibiz.com/Directory:Jon_Awbrey/Papers/Riffs_and_Rotes R&R]
[http://mywikibiz.com/Directory:Jon_Awbrey/Papers/Propositional_Equation_Reasoning_Systems PERS]
[http://mywikibiz.com/Directory:Jon_Awbrey/Papers/Propositional_Equation_Reasoning_Systems PERS]