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No TPTP formula. May not be expressible in strict first order. engineering.kif 188-188 子類 常微分方程 and 微分方程
No TPTP formula. May not be expressible in strict first order. engineering.kif 194-194 子類 貝塞爾斯方程 and 常微分方程
No TPTP formula. May not be expressible in strict first order. engineering.kif 199-199 子類 范德波爾斯方程 and 常微分方程


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