A password can be valid.Logical formLearned from171 sentences. A law can be valid.Logical formLearned from170 sentences. An agreement can be valid.Logical formLearned from170 sentences. A justification can be valid.Logical formLearned from170 sentences. A cause can be valid.Logical formLearned from169 sentences. Certificates can be valid.Logical formLearned from168 sentences. An entry can be valid.Logical formLearned from165 sentences. A means can be valid.Logical formLearned from161 sentences. Arguments can be valid.Logical formLearned from159 sentences. An objection can be valid.Logical formLearned from158 sentences. Interest can be valid.Logical formLearned from158 sentences. A code can be valid.Logical formLearned from157 sentences. An interpretation can be valid.Logical formLearned from157 sentences. An order can be valid.Logical formLearned from156 sentences. An opinion can be valid.Logical formLearned from156 sentences.