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No TPTP formula. May not be expressible in strict first order. engineering.kif 164-164 子類 非線性方程 and 方程
No TPTP formula. May not be expressible in strict first order. engineering.kif 195-195 子類 貝塞爾斯方程 and 非線性方程
No TPTP formula. May not be expressible in strict first order. engineering.kif 200-200 子類 范德波爾斯方程 and 非線性方程


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