| (=> (instance ?CLASS Class) (subclass ?CLASS Entity)) |
Merge.kif 828-830 | |
| (=> (subclass ?X ?Y) (and (instance ?X Class) (instance ?Y Class))) |
Merge.kif 137-141 | |
| (subclass Class SetOrClass) | Merge.kif 2136-2136 | 类 是 集或类 的 subclass |
| (domain subclass 1 Class) | Merge.kif 131-131 | 子类别 的 1 数量 是 类 的 instance |
| (domain subclass 2 Class) | Merge.kif 132-132 | 子类别 的 2 数量 是 类 的 instance |
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