Zuhua Liao, School of Science, Jiangnan University Wuxi Jiangsu 214122, China Miaohan Hu, School of Science, Jiangnan University Wuxi Jiangsu 214122, China Juan Zhou, School of Science, Jiangnan University Wuxi Jiangsu 214122, China
We introduced rough sets into inclines. We put forward the concepts of upper and lower approximations of a subset in an incline, and studied their properties.