An index may pertain-to a philosopher.Logical formLearned from9 sentences. A thought may pertain-to a philosopher.Logical formLearned from9 sentences. A philosopher can be blind.Logical formLearned from9 sentences. A philosopher can be at some times.Logical formLearned from9 sentences. Philosophers may assume that something-is-the-case.Logical formLearned from9 sentences. Scientists can be at a philosopher.Logical formLearned from9 sentences. Some philosophers may insist that something-is-the-case.Logical formLearned from9 sentences. An onward may pertain-to a philosopher.Logical formLearned from9 sentences. A (decimal code) may pertain-to a philosopher.Logical formLearned from9 sentences. A gift may pertain-to a philosopher.Logical formLearned from9 sentences. A philosopher can be a logician.Logical formLearned from9 sentences. A controversy may pertain-to a philosopher.Logical formLearned from9 sentences. Reasons may pertain-to a philosopher.Logical formLearned from9 sentences. An article can be on a philosopher.Logical formLearned from9 sentences. A philosopher may appear to a person.Logical formLearned from9 sentences.