A (class hierarchy) can be strict.Logical formLearned from5 sentences. Hierarchy may undergo an abolition.Logical formLearned from5 sentences. A hierarchy can be constituted-of-or-filled-with genres.Logical formLearned from5 sentences. Members may pertain-to a military hierarchy.Logical formLearned from5 sentences. A hierarchy may undergo a decline.Logical formLearned from5 sentences. Hierarchies can be pyramidal.Logical formLearned from5 sentences. A social hierarchy can be strong.Logical formLearned from5 sentences. Level may pertain-to an arithmetical hierarchy.Logical formLearned from5 sentences. A class may pertain-to a hierarchy.Logical formLearned from5 sentences. A hierarchy can be determined.Logical formLearned from5 sentences. A hierarchy can be violent.Logical formLearned from5 sentences. Objects can be in a hierarchy.Logical formLearned from5 sentences. Courts can be in a hierarchy.Logical formLearned from5 sentences. A hierarchy can be constituted-of-or-filled-with rings.Logical formLearned from5 sentences. A polynomial (time hierarchy) may collapse to a level.Logical formLearned from5 sentences.