A pronouncement can be abstract.Logical formLearned from2 sentences. Abstract expressionism may undergo a generation.Logical formLearned from2 sentences. Scientific knowledge can be abstract.Logical formLearned from2 sentences. A fish can be abstract.Logical formLearned from2 sentences. A mathematician may perceive abstract structures.Logical formLearned from2 sentences. (Sound patterns) can be abstract.Logical formLearned from2 sentences. A personal statement can be abstract.Logical formLearned from2 sentences. A rigor can be abstract.Logical formLearned from2 sentences. Costs can be abstract.Logical formLearned from2 sentences. Nuances can be abstract.Logical formLearned from2 sentences. An abstract expressionism may pertain-to a day.Logical formLearned from2 sentences. A moral theory can be abstract.Logical formLearned from2 sentences. A nonlinear programming can be abstract.Logical formLearned from2 sentences. Farming can be abstract.Logical formLearned from2 sentences. Some (combustion/ particle) can be abstract.Logical formLearned from2 sentences.