A sound can be rigid.Logical formLearned from7 sentences. (Accounting rules) can be rigid.Logical formLearned from7 sentences. A dualism can be rigid.Logical formLearned from7 sentences. A female can be rigid that something-is-the-case.Logical formLearned from7 sentences. (Government regulations) can be rigid.Logical formLearned from7 sentences. An instep can be rigid.Logical formLearned from7 sentences. A honesty can be rigid.Logical formLearned from7 sentences. An assessment can be rigid.Logical formLearned from7 sentences. A suppression can be rigid.Logical formLearned from7 sentences. A formula can be rigid.Logical formLearned from7 sentences. A (time limit) can be rigid.Logical formLearned from7 sentences. Mores can be rigid.Logical formLearned from7 sentences. A roof can be rigid.Logical formLearned from7 sentences. A glass can be rigid.Logical formLearned from7 sentences. Political systems can be rigid.Logical formLearned from7 sentences.