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No TPTP formula. May not be expressible in strict first order. Cars.kif 2135-2135 Engine cooling system is a subclass of physical system
No TPTP formula. May not be expressible in strict first order. Cars.kif 2156-2156 Water cooling system is a subclass of engine cooling system
No TPTP formula. May not be expressible in strict first order. Cars.kif 2176-2176 Air cooling system is a subclass of engine cooling system


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