Theories can be related.Logical formLearned from163 sentences. A theory can be elementary.Logical formLearned from162 sentences. A theory can be constituted-of-or-filled-with history.Logical formLearned from162 sentences. A theory can be algebraic.Logical formLearned from162 sentences. A theory may undergo a test.Logical formLearned from160 sentences. Theories can be controversial.Logical formLearned from160 sentences. A theory can be nice.Logical formLearned from159 sentences. Theories can be liberal.Logical formLearned from158 sentences. A person may have theories.Logical formLearned from158 sentences. A set can be constituted-of-or-filled-with theories.Logical formLearned from157 sentences. A theory may undergo predictions.Logical formLearned from155 sentences. A theory can be pedagogical.Logical formLearned from155 sentences. A proponent may pertain-to a theory.Logical formLearned from155 sentences. An aspect may pertain-to a theory.Logical formLearned from153 sentences. A theory may pertain-to a writer.Logical formLearned from153 sentences.