Lambda Definability with Sums via Grothendieck Logical Relations
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چکیده
We introduce a notion of Grothendieck logical relation and use it to characterise the deenability of morphisms in stable bicartesian closed categories by terms of the simply-typed lambda calculus with nite products and nite sums. Our techniques are based on concepts from topos theory, however our exposition is elementary.
منابع مشابه
Lambda De nability with Sums via Grothendieck Logical Relations
We introduce a notion of Grothendieck logical relation and use it to characterise the deenability of morphisms in stable bicartesian closed categories by terms of the simply-typed lambda calculus with nite products and nite sums. Our techniques are based on concepts from topos theory, however our exposition is elementary.
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تاریخ انتشار 1999