Ideas can be abstract.Logical formLearned from1 363 sentences. An idea can be abstract.Logical formLearned from852 sentences. Graphics can be abstract.Logical formLearned from845 sentences. A form can be abstract.Logical formLearned from769 sentences. A way can be abstract.Logical formLearned from768 sentences. A level can be abstract.Logical formLearned from729 sentences. Terms can be abstract.Logical formLearned from623 sentences. Principles can be abstract.Logical formLearned from572 sentences. Forms can be abstract.Logical formLearned from542 sentences. Works can be abstract.Logical formLearned from479 sentences. A sense can be abstract.Logical formLearned from458 sentences. Classes can be abstract.Logical formLearned from449 sentences. Work can be abstract.Logical formLearned from428 sentences. A notion can be abstract.Logical formLearned from420 sentences. A representation can be abstract.Logical formLearned from404 sentences.