Does the hypothesis 'If they have overestimated how far the CPI is off, Boskin and his commission may institutionalize an underestimated CPI--guaranteeing a yearly, stealth tax increase.' logically conflict with the premise 'It is possible that they have overestimated how far the CPI is off. '
If they have overestimated how far the CPI is off, Boskin and his commission may institutionalize an underestimated CPI--guaranteeing a yearly, stealth tax increase.###It is possible that they have overestimated how far the CPI is off. 