{"id":337724,"date":"2016-12-17T16:14:04","date_gmt":"2016-12-18T00:14:04","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=337724"},"modified":"2018-10-16T20:16:03","modified_gmt":"2018-10-17T03:16:03","slug":"integrating-dependent-linear-types","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/integrating-dependent-linear-types\/","title":{"rendered":"Integrating Dependent and Linear Types"},"content":{"rendered":"\n\n\n<p class=\"wp-block-paragraph\">In this paper, we show how to integrate linear types with type dependency, by extending the linear\/non-linear calculus of Benton to support type dependency. Next, we give an application of this calculus by giving a proof-theoretic account of imperative programming, which requires extending the calculus with computationally irrelevant quantification, proof irrelevance, and a monad of computations. We show the soundness of our theory by giving a realizability model in the style of Nuprl, which permits us to validate not only the \u03b2-laws for each type, but also the \u03b7-laws. These extensions permit us to decompose Hoare triples into a collection of simpler type-theoretic connectives, yielding a rich equational theory for dependently-typed higherorder imperative programs. Furthermore, both the type theory and its model are relatively simple, even when all of the extensions are considered.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this paper, we show how to integrate linear types with type dependency, by extending the linear\/non-linear calculus of Benton to support type dependency. Next, we give an application of this calculus by giving a proof-theoretic account of imperative programming, which requires extending the calculus with computationally irrelevant quantification, proof irrelevance, and a monad of [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"text","value":"Neelakantan R. 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