@article{Cockett_1995,
    doi = {10.1016/0304-3975(94)00099-5},
    url = {https://doi.org/10.1016%2F0304-3975%2894%2900099-5},
    year = {1995},
    month = {mar},
    publisher = {Elsevier {BV}},
    volume = {139},
    number = {1-2},
    pages = {69--113},
    author = {J.Robin B. Cockett and Dwight Spencer},
    title = {Strong categorical datatypes {II}: A term logic for categorical programming},
    journal = {Theoretical Computer Science}
}

@article{Cockett_1995, doi = {10.1016/0304-3975(94)00099-5}, url = {https://doi.org/10.1016%2F0304-3975%2894%2900099-5}, year = {1995}, month = {mar}, publisher = {Elsevier {BV}}, volume = {139}, number = {1-2}, pages = {69--113}, author = {J.Robin B. Cockett and Dwight Spencer}, title = {Strong categorical datatypes {II}: A term logic for categorical programming}, journal = {Theoretical Computer Science} }