@article{lawvere_1969, title={Adjointness in Foundations}, volume={23}, ISSN={0012-2017}, url={http://dx.doi.org/10.1111/j.1746-8361.1969.tb01194.x}, DOI={10.1111/j.1746-8361.1969.tb01194.x}, number={3/4}, journal={Dialectica}, publisher={Verein philosophie.ch}, author={Lawvere, F. William}, year={1969}, pages={281–296} }