No TPTP formula. May not be expressible in strict first order. | Transportation.kif 917-917 | Harbor is a subclass of water area |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 1693-1693 | Harbor is a subclass of waterway |
No TPTP formula. May not be expressible in strict first order. | Transportation.kif 895-895 | Deep draft harbor is a subclass of harbor |