{"id":18438810,"url":"https://github.com/gebner/trepplein","last_synced_at":"2025-04-07T21:32:01.431Z","repository":{"id":137756460,"uuid":"84056116","full_name":"gebner/trepplein","owner":"gebner","description":"Lean type-checker written in Scala.","archived":false,"fork":false,"pushed_at":"2022-03-13T16:42:32.000Z","size":121,"stargazers_count":35,"open_issues_count":3,"forks_count":2,"subscribers_count":4,"default_branch":"master","last_synced_at":"2025-03-23T00:51:18.738Z","etag":null,"topics":["lean","scala","theorem-proving","type-checker"],"latest_commit_sha":null,"homepage":"","language":"Scala","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/gebner.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"COPYING","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2017-03-06T09:44:43.000Z","updated_at":"2025-03-01T11:43:33.000Z","dependencies_parsed_at":null,"dependency_job_id":"2c300549-c876-4431-a981-85a10aa14fb2","html_url":"https://github.com/gebner/trepplein","commit_stats":null,"previous_names":[],"tags_count":2,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/gebner%2Ftrepplein","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/gebner%2Ftrepplein/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/gebner%2Ftrepplein/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/gebner%2Ftrepplein/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/gebner","download_url":"https://codeload.github.com/gebner/trepplein/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247732587,"owners_count":20986892,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["lean","scala","theorem-proving","type-checker"],"created_at":"2024-11-06T06:21:57.168Z","updated_at":"2025-04-07T21:32:01.134Z","avatar_url":"https://github.com/gebner.png","language":"Scala","funding_links":[],"categories":[],"sub_categories":[],"readme":"## trepplein: a Lean type-checker\n\nLean is an interactive theorem prover based on dependent type theory.  For\nadditional trust, Lean can [export the generated proofs][1] so that they can be\nindependently verified.  Trepplein is a tool that can check these exported proofs.\n\n[1]: https://github.com/leanprover/lean/blob/master/doc/export_format.md\n\nTrepplein is written in Scala, and requires [SBT](http://www.scala-sbt.org/) to\nbuild.\n```\nsbt stage\n./target/universal/stage/bin/trepplein .../export.out\n```\n\n### Other checkers\n\n* [tc](https://github.com/dselsam/tc), a type-checker written in Haskell.\n* [leanchecker](https://github.com/leanprover/lean/tree/master/src/checker), a bare-bones version of the Lean kernel.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgebner%2Ftrepplein","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fgebner%2Ftrepplein","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgebner%2Ftrepplein/lists"}