site (forall (x) (if (Site x) (ImmaterialEntity x))) // axiom label in BFO2 CLIF: [034-002] Manhattan Canyon) site Site a hole in the interior of a portion of cheese a rabbit hole an air traffic control region defined in the airspace above an airport b is a site means: b is a three-dimensional immaterial entity that is (partially or wholly) bounded by a material entity or it is a three-dimensional immaterial part thereof. (axiom label in BFO2 Reference: [034-002]) the Grand Canyon the Piazza San Marco the cockpit of an aircraft the hold of a ship the interior of a kangaroo pouch the interior of the trunk of your car the interior of your bedroom the interior of your office the interior of your refrigerator the lumen of your gut your left nostril (a fiat part – the opening – of your left nasal cavity) immaterial entity The Ontology of Medically Related Social Entities