Opinions can be unsound.Logical formLearned from10 sentences. A case can be unsound.Logical formLearned from10 sentences. A decision can be unsound.Logical formLearned from9 sentences. Buildings can be unsound.Logical formLearned from9 sentences. A building can be unsound.Logical formLearned from8 sentences. An idea can be unsound.Logical formLearned from8 sentences. An economy can be unsound.Logical formLearned from8 sentences. A strategy can be unsound.Logical formLearned from8 sentences. A way can be unsound.Logical formLearned from8 sentences. Persons can be unsound.Logical formLearned from8 sentences. Reasons can be unsound.Logical formLearned from8 sentences. Money can be unsound.Logical formLearned from8 sentences. A theory can be unsound.Logical formLearned from8 sentences. A (business plan) can be unsound.Logical formLearned from8 sentences. An information can be unsound.Logical formLearned from7 sentences.