A mindset can be rigid.Logical formLearned from42 sentences. Norms can be rigid.Logical formLearned from42 sentences. A curriculum can be rigid.Logical formLearned from42 sentences. Demands can be rigid.Logical formLearned from42 sentences. A morality can be rigid.Logical formLearned from42 sentences. Specifications can be rigid.Logical formLearned from41 sentences. Rods can be rigid.Logical formLearned from41 sentences. Blocks can be rigid.Logical formLearned from40 sentences. A design can be rigid.Logical formLearned from40 sentences. A layer can be rigid.Logical formLearned from40 sentences. An environment can be rigid.Logical formLearned from40 sentences. A deadline can be rigid.Logical formLearned from40 sentences. A back can be rigid.Logical formLearned from40 sentences. A wing can be rigid.Logical formLearned from40 sentences. Fiberglas can be rigid.Logical formLearned from39 sentences.