@article{clapp_duhau_2011,  title={Varieties of the generality constraint},  volume={34},  ISSN={0100-6045},  url={https://doi.org/10.1590/S0100-60452011000200001},  DOI={10.1590/S0100-60452011000200001},  number={2},  journal={Manuscrito},  publisher={UNICAMP - Universidade Estadual de Campinas, Centro de Lógica, Epistemologia e História da Ciência},  author={Clapp, Lenny and Duhau, Laura},  year={2011},  month={Jul},  pages={397–434} }