{"action":"created","issue":{"url":"https://api.github.com/repos/coq/coq/issues/613","repository_url":"https://api.github.com/repos/coq/coq","labels_url":"https://api.github.com/repos/coq/coq/issues/613/labels{/name}","comments_url":"https://api.github.com/repos/coq/coq/issues/613/comments","events_url":"https://api.github.com/repos/coq/coq/issues/613/events","html_url":"https://github.com/coq/coq/pull/613","id":226351111,"number":613,"title":"Cumulativity for inductive types","user":{"login":"amintimany","id":5832668,"avatar_url":"https://avatars0.githubusercontent.com/u/5832668?v=3","gravatar_id":"","url":"https://api.github.com/users/amintimany","html_url":"https://github.com/amintimany","followers_url":"https://api.github.com/users/amintimany/followers","following_url":"https://api.github.com/users/amintimany/following{/other_user}","gists_url":"https://api.github.com/users/amintimany/gists{/gist_id}","starred_url":"https://api.github.com/users/amintimany/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amintimany/subscriptions","organizations_url":"https://api.github.com/users/amintimany/orgs","repos_url":"https://api.github.com/users/amintimany/repos","events_url":"https://api.github.com/users/amintimany/events{/privacy}","received_events_url":"https://api.github.com/users/amintimany/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/coq/coq/milestones/3","html_url":"https://github.com/coq/coq/milestone/3","labels_url":"https://api.github.com/repos/coq/coq/milestones/3/labels","id":2046481,"number":3,"title":"8.7","description":"","creator":{"login":"maximedenes","id":647105,"avatar_url":"https://avatars2.githubusercontent.com/u/647105?v=3","gravatar_id":"","url":"https://api.github.com/users/maximedenes","html_url":"https://github.com/maximedenes","followers_url":"https://api.github.com/users/maximedenes/followers","following_url":"https://api.github.com/users/maximedenes/following{/other_user}","gists_url":"https://api.github.com/users/maximedenes/gists{/gist_id}","starred_url":"https://api.github.com/users/maximedenes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/maximedenes/subscriptions","organizations_url":"https://api.github.com/users/maximedenes/orgs","repos_url":"https://api.github.com/users/maximedenes/repos","events_url":"https://api.github.com/users/maximedenes/events{/privacy}","received_events_url":"https://api.github.com/users/maximedenes/received_events","type":"User","site_admin":false},"open_issues":52,"closed_issues":38,"state":"open","created_at":"2016-10-04T11:18:56Z","updated_at":"2017-06-01T14:18:53Z","due_on":"2017-10-15T07:00:00Z","closed_at":null},"comments":64,"created_at":"2017-05-04T17:20:42Z","updated_at":"2017-06-01T18:57:28Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/coq/coq/pulls/613","html_url":"https://github.com/coq/coq/pull/613","diff_url":"https://github.com/coq/coq/pull/613.diff","patch_url":"https://github.com/coq/coq/pull/613.patch"},"body":"This PR implements cumulativity for inductive types.\r\n\r\nIn particular it adds the option ```Ind Cumulatiity``` which can be (globally or locally) set, e.g., ```Global Set Ind Cumulativity```. It can also be enabled or disabled selectively when an defining an inductive type: ```Cumulative Inductive ...``` or ```NonCumulative Inductive ...```.\r\n\r\nAt the time of definition a subtyping relation is __inferred__ for instances of universe polymorphic cumulative inductive types. This subtyping relation is subsequently used in cumulativity and conversion tests.\r\n\r\nFor an example of how it works see the file ```test-suite/coqchk/cumulativity.v```.\r\n"},"comment":{"url":"https://api.github.com/repos/coq/coq/issues/comments/305587254","html_url":"https://github.com/coq/coq/pull/613#issuecomment-305587254","issue_url":"https://api.github.com/repos/coq/coq/issues/613","id":305587254,"user":{"login":"Zimmi48","id":1108325,"avatar_url":"https://avatars1.githubusercontent.com/u/1108325?v=3","gravatar_id":"","url":"https://api.github.com/users/Zimmi48","html_url":"https://github.com/Zimmi48","followers_url":"https://api.github.com/users/Zimmi48/followers","following_url":"https://api.github.com/users/Zimmi48/following{/other_user}","gists_url":"https://api.github.com/users/Zimmi48/gists{/gist_id}","starred_url":"https://api.github.com/users/Zimmi48/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Zimmi48/subscriptions","organizations_url":"https://api.github.com/users/Zimmi48/orgs","repos_url":"https://api.github.com/users/Zimmi48/repos","events_url":"https://api.github.com/users/Zimmi48/events{/privacy}","received_events_url":"https://api.github.com/users/Zimmi48/received_events","type":"User","site_admin":false},"created_at":"2017-06-01T18:57:28Z","updated_at":"2017-06-01T18:57:28Z","body":"Relaunched after the latest rebase of the branch https://ci.inria.fr/coq/view/benchmarking/job/benchmark-part-of-the-branch/120/"}}
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