Concepts can be basic.Logical formLearned from10 271 sentences. A concept may pertain-to a male.Logical formLearned from5 390 sentences. A concept can be basic.Logical formLearned from3 899 sentences. Concepts can be fundamental.Logical formLearned from3 626 sentences. A concept may pertain-to a person.Logical formLearned from2 703 sentences. A concept may pertain-to persons.Logical formLearned from2 693 sentences. A concept can be simple.Logical formLearned from2 602 sentences. A concept can be interesting.Logical formLearned from2 334 sentences. Concepts can be mathematical.Logical formLearned from2 052 sentences. A concept can be that something-is-the-case.Logical formLearned from1 883 sentences. A concept can be simple.Logical formLearned from1 654 sentences. Concepts can be theoretical.Logical formLearned from1 456 sentences. Concepts may pertain-to persons.Logical formLearned from1 415 sentences. Concepts may undergo an understanding.Logical formLearned from1 408 sentences. Concepts may pertain-to a male.Logical formLearned from1 287 sentences.