(Tree representation) can be abstract.Logical formLearned from3 sentences. Politics can be abstract.Logical formLearned from3 sentences. (Particle filters) can be abstract.Logical formLearned from3 sentences. Abstract reasonings can be in the world.Logical formLearned from3 sentences. Natures can be abstract.Logical formLearned from3 sentences. A (tzinfo class) can be abstract.Logical formLearned from3 sentences. A chronicle can be abstract.Logical formLearned from3 sentences. (Reasoning scores) can be abstract.Logical formLearned from3 sentences. An (object account) can be abstract.Logical formLearned from3 sentences. A general theory can be abstract.Logical formLearned from3 sentences. An id can be abstract.Logical formLearned from3 sentences. Lithographs can be abstract.Logical formLearned from3 sentences. A philosopher can be abstract.Logical formLearned from3 sentences. Approximations can be abstract.Logical formLearned from3 sentences. Users can be abstract.Logical formLearned from3 sentences.