In classical empiricism, the truth of―"All balls are red," for example, is assessed by inspecting balls; any observation of a non red ball refutes unequivocally the proposed generalization.
The paper introduces and then analyzes the two non-classical mathematics methods: the rough theory and the cloud theory.
本文对两种非经典数学方法：粗糙集理论和云理论进行了介绍和分析。
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The vertical human body models with different postures are selected according to ISO5982, and the dynamic coupling equations with non-classical damping for structure and human are established.