A summation can be periodic.Logical formLearned from16 sentences. Uprisings can be periodic.Logical formLearned from16 sentences. Comments can be periodic.Logical formLearned from16 sentences. A (benefit cost) can be periodic.Logical formLearned from16 sentences. Disasters can be periodic.Logical formLearned from16 sentences. A (reporting exercise) can be periodic.Logical formLearned from16 sentences. A state can be periodic.Logical formLearned from16 sentences. An exercise can be periodic.Logical formLearned from16 sentences. Sequences can be periodic.Logical formLearned from16 sentences. Periodic solutions can be stable.Logical formLearned from16 sentences. Solids can be periodic.Logical formLearned from16 sentences. Difficulties can be periodic.Logical formLearned from16 sentences. Conditions can be periodic.Logical formLearned from16 sentences. A repair can be periodic.Logical formLearned from16 sentences. A ritual can be periodic.Logical formLearned from16 sentences.