Denominations can be valid.Logical formLearned from17 sentences. A principle may remain valid.Logical formLearned from17 sentences. Procedures can be valid.Logical formLearned from17 sentences. A product can be valid.Logical formLearned from17 sentences. A (certification path) can be valid.Logical formLearned from17 sentences. A segment can be valid.Logical formLearned from17 sentences. A company can be valid.Logical formLearned from17 sentences. A user can be valid.Logical formLearned from17 sentences. Petitions can be valid.Logical formLearned from17 sentences. A (license plate) can be valid.Logical formLearned from17 sentences. A recommendation can be valid.Logical formLearned from17 sentences. A (header field) can be valid.Logical formLearned from17 sentences. Some claims can be valid.Logical formLearned from17 sentences. A length can be valid.Logical formLearned from17 sentences. Orders can be valid.Logical formLearned from17 sentences.