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No TPTP formula. May not be expressible in strict first order. Cars.kif 3592-3613
No TPTP formula. May not be expressible in strict first order. Cars.kif 3587-3587 Respirator is a subclass of safety device
No TPTP formula. May not be expressible in strict first order. Cars.kif 3588-3588 Respirator is a subclass of wearable item
No TPTP formula. May not be expressible in strict first order. Cars.kif 3589-3589 Respirator is a subclass of mask
No TPTP formula. May not be expressible in strict first order. Medicine.kif 4875-4875 N95 respirator is a subclass of respirator


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