A class can be constituted-of-or-filled-with abstract objects.Logical formLearned from3 sentences. Bodies can be abstract.Logical formLearned from3 sentences. An ergodic theory can be abstract.Logical formLearned from3 sentences. Manifolds can be abstract.Logical formLearned from3 sentences. Abstract models can be constituted-of-or-filled-with systems.Logical formLearned from3 sentences. Begins can be abstract.Logical formLearned from3 sentences. A recollection can be abstract.Logical formLearned from3 sentences. A mathematical modeling can be abstract.Logical formLearned from3 sentences. Mathematical formulas can be abstract.Logical formLearned from3 sentences. (Resource objects) can be abstract.Logical formLearned from3 sentences. (Resource operations) can be abstract.Logical formLearned from3 sentences. Encodings can be abstract.Logical formLearned from3 sentences. Society can be an abstract concept.Logical formLearned from3 sentences. Words can be for abstract concepts.Logical formLearned from3 sentences. An iconography can be abstract.Logical formLearned from3 sentences.