A framework can be theoretical.Logical formLearned from4 096 sentences. Approaches can be theoretical.Logical formLearned from2 583 sentences. Work can be theoretical.Logical formLearned from2 563 sentences. Issues can be theoretical.Logical formLearned from2 375 sentences. Knowledge can be theoretical.Logical formLearned from2 366 sentences. A basis can be theoretical.Logical formLearned from2 278 sentences. Perspectives can be theoretical.Logical formLearned from2 048 sentences. Aspects can be theoretical.Logical formLearned from1 837 sentences. An analysis can be theoretical.Logical formLearned from1 554 sentences. Foundations can be theoretical.Logical formLearned from1 553 sentences. Concepts can be theoretical.Logical formLearned from1 456 sentences. Studies can be theoretical.Logical formLearned from1 453 sentences. An understanding can be theoretical.Logical formLearned from1 364 sentences. A foundation can be theoretical.Logical formLearned from1 233 sentences. Frameworks can be theoretical.Logical formLearned from1 130 sentences.