An arrow can be abstract.Logical formLearned from2 sentences. Abstract machines may be implemented in machines.Logical formLearned from2 sentences. A clock can be abstract.Logical formLearned from2 sentences. Wings can be abstract.Logical formLearned from2 sentences. Definitions can be abstract.Logical formLearned from2 sentences. Work can be similar to abstract expressionists.Logical formLearned from2 sentences. Abstract art may undergo a dominance.Logical formLearned from2 sentences. An abstract (syntax tree) may undergo a traversal.Logical formLearned from2 sentences. An oval can be abstract.Logical formLearned from2 sentences. A male can be known for an abstract art.Logical formLearned from2 sentences. Electronic beats can be abstract.Logical formLearned from2 sentences. A category can be constituted-of-or-filled-with abstract machines.Logical formLearned from2 sentences. A filmmaker can be abstract.Logical formLearned from2 sentences. An explanation of phenomena can be abstract.Logical formLearned from2 sentences. Abstract types can be a feature.Logical formLearned from2 sentences.