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No TPTP formula. May not be expressible in strict first order. Transportation.kif 2309-2309 Passenger ship is a subclass of ship
No TPTP formula. May not be expressible in strict first order. Transportation.kif 2432-2432 Passenger and cargo ship is a subclass of passenger ship
No TPTP formula. May not be expressible in strict first order. Transportation.kif 2434-2434 Short sea passenger ship is a subclass of passenger ship
No TPTP formula. May not be expressible in strict first order. Transportation.kif 2467-2467 Cruise ship is a subclass of passenger ship
No TPTP formula. May not be expressible in strict first order. Transportation.kif 2482-2482 Ocean liner is a subclass of passenger ship


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