Reasons can be valid.Logical formLearned from21 sentences. Applications can be valid.Logical formLearned from21 sentences. A decision can be valid.Logical formLearned from21 sentences. A (purchase order) can be valid.Logical formLearned from21 sentences. A generalization can be valid.Logical formLearned from21 sentences. A session can be valid.Logical formLearned from21 sentences. An authorization can be valid.Logical formLearned from21 sentences. A rule can be valid.Logical formLearned from21 sentences. A precedent can be valid.Logical formLearned from21 sentences. A mortgage can be valid.Logical formLearned from21 sentences. A (state objective) can be valid.Logical formLearned from21 sentences. A request can be valid.Logical formLearned from21 sentences. An accord can be valid.Logical formLearned from21 sentences. Documents can be valid.Logical formLearned from20 sentences. A mark can be valid.Logical formLearned from20 sentences.