No TPTP formula. May not be expressible in strict first order. | Hotel.kif 1623-1623 | MealPlanBreakfast 是 MealPlan 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Hotel.kif 1614-1614 | MealPlanContinental 是 MealPlanBreakfast 的 subclass |