A (computing model) can be abstract.Logical formLearned from2 sentences. An (investment strategy) can be abstract.Logical formLearned from2 sentences. An imprint can be abstract.Logical formLearned from2 sentences. A (puzzle game) can be abstract.Logical formLearned from2 sentences. An universe can be abstract.Logical formLearned from2 sentences. An expressionism-intensified can be abstract.Logical formLearned from2 sentences. A spiritualism can be abstract.Logical formLearned from2 sentences. A symbolic communication can be abstract.Logical formLearned from2 sentences. Corbels can be abstract.Logical formLearned from2 sentences. Areas can be constituted-of-or-filled-with abstract algebra.Logical formLearned from2 sentences. An abstract painting can be spontaneous.Logical formLearned from2 sentences. Occurrences can be abstract.Logical formLearned from2 sentences. Difficulties can be abstract.Logical formLearned from2 sentences. A (business process) can be abstract.Logical formLearned from2 sentences. Homo can be capable of abstraction of abstract art.Logical formLearned from2 sentences.