Co-ordinates can be rational.Logical formLearned from4 sentences. A businessman can be rational.Logical formLearned from4 sentences. Integrals can be constituted-of-or-filled-with rational functions.Logical formLearned from4 sentences. Agents may have rational expectations.Logical formLearned from4 sentences. Rational numbers can be arbitrary.Logical formLearned from4 sentences. A derivation can be rational.Logical formLearned from4 sentences. A (voter model) can be rational.Logical formLearned from4 sentences. A subset may pertain-to rational numbers.Logical formLearned from4 sentences. A set can be constituted-of-or-filled-with rational numbers.Logical formLearned from4 sentences. A calculation of a cost can be rational.Logical formLearned from4 sentences. Lengths can be rational.Logical formLearned from4 sentences. Expressions can be rational.Logical formLearned from4 sentences. A linkage can be rational.Logical formLearned from4 sentences. A #'interpolation can be rational.Logical formLearned from4 sentences. A self-government can be rational.Logical formLearned from4 sentences.