Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
@kha @gebner I added the `show_goal` tactic for selecting arbitrary subgoals. This feature is similar to the one available in Isabelle. This commit allows us to use the `show` keyword as syntax sugar for `show_goal`. The test `show_goal.lean` has a small example. What do you think? @Armael: you can use `show` to structure your proofs in tactic mode. See `tests/lean/run/show_goal.lean` for a small example. |
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| .appveyor.yml | ||
| .appveyor.yml.in | ||
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| .travis.yml.in | ||
| LICENSE | ||
| README.md | ||
| License | Windows | Linux / macOS | Test Coverage | Chat |
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- Theorem Proving in Lean
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