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  1. (remove dead link to review pdf)

    Burak Emir

    diff, v3, current

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeDec 29th 2022

    added pointer to:

    diff, v4, current

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeFeb 28th 2023

    also added pointer to:

    diff, v6, current

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeFeb 28th 2023

    I have expanded the previous idea-section a fair bit (it used to just say that simple type theory has non-indexed type formation). Now it reads as follows:


    Originally, “simple type theory” was the name of the type theory introduced by Church (1940) (therefore often and more informatively: “Church’s type theory” or similar). This type theory allowed function type-type formation (therefore often: “simply typed lambda-calculus”) based on two elementary types (a kind of type of natural numbers and a type of propositions).

    In mild generalization, if one admits in addition product type-type formation then [e.g. Gunter (1992)] these are the type theories whose categorical semantics is in cartesian closed categories (see also at relation between category theory and type theory).

    More generally, the term “simple type” has come to refer to any type theory whose type formations are not indexed, […]


    Finally I added this reference:

    diff, v6, current

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeApr 8th 2023

    added pointer to:

    diff, v7, current

  2. added reference

    Anonymouse

    diff, v8, current