Members may pertain-to a (type hierarchy).Logical formLearned from2 sentences. A (xml document hierarchy) may pertain-to a person.Logical formLearned from2 sentences. A (class hierarchy analysis) can be dynamic.Logical formLearned from2 sentences. A process may be repeated at a level of a hierarchy.Logical formLearned from2 sentences. An unmount may succeed in a hierarchy.Logical formLearned from2 sentences. Some filesystems can be in a hierarchy.Logical formLearned from2 sentences. A hierarchy may mount.Logical formLearned from2 sentences. A hierarchy can be mounted.Logical formLearned from2 sentences. Part may pertain-to a (class hierarchy).Logical formLearned from2 sentences. Some classes can be in an (inheritance hierarchy).Logical formLearned from2 sentences. A root may pertain-to an (implementation hierarchy).Logical formLearned from2 sentences. An interaction can be between some hierarchies.Logical formLearned from2 sentences. A set can be constituted-of-or-filled-with (class hierarchies).Logical formLearned from2 sentences. Levels can be in a (memory hierarchy).Logical formLearned from2 sentences. A level can be in a (cache hierarchy).Logical formLearned from2 sentences.