Sigma KB Term Intersection

No TPTP formula. May not be expressible in strict first order.	Cars.kif 3539-3560	If a wearable item is an instance of respirator and an animal is an instance of animal and the animal wears the wearable item, then the wearable item has the purpose there exist an entity, another entity,, , a third entity and a fourth entity such that the third entity is an instance of process and the wearable item is an instrument for the third entity and the third entity prevents the occurrence of the other entity and the other entity is a subclass of the class described by the fourth entity
No TPTP formula. May not be expressible in strict first order.	Cars.kif 3534-3534	Respirator is a subclass of safety device
No TPTP formula. May not be expressible in strict first order.	Cars.kif 3535-3535	Respirator is a subclass of wearable item
No TPTP formula. May not be expressible in strict first order.	Cars.kif 3536-3536	Respirator is a subclass of mask
No TPTP formula. May not be expressible in strict first order.	Medicine.kif 4868-4868	N95 respirator is a subclass of respirator