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The Lean theorem prover (system description). (English) Zbl 1465.68279
Felty, Amy P. (ed.) et al., Automated deduction – CADE-25. 25th international conference on automated deduction, Berlin, Germany, August 1–7, 2015. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 9195, 378-388 (2015).
Summary: Lean is a new open source theorem prover being developed at Microsoft Research and Carnegie Mellon University, with a small trusted kernel based on dependent type theory. It aims to bridge the gap between interactive and automated theorem proving, by situating automated tools and methods in a framework that supports user interaction and the construction of fully specified axiomatic proofs. Lean is an ongoing and long-term effort, but it already provides many useful components, integrated development environments, and a rich API which can be used to embed it into other systems. It is currently being used to formalize category theory, homotopy type theory, and abstract algebra. We describe the project goals, system architecture, and main features, and we discuss applications and continuing work.
For the entire collection see [Zbl 1316.68011].

68V15 Theorem proving (automated and interactive theorem provers, deduction, resolution, etc.)
68V20 Formalization of mathematics in connection with theorem provers
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