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JOSHCLUNE merged 2 commits into from
Feb 12, 2026
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Update dev to match main #72

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03488ac
Merge pull request #71 from leanprover-community/dev
JOSHCLUNE Jan 26, 2026
7991986
Update README to include instructions for projects using .toml files
JOSHCLUNE Feb 3, 2026
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15 changes: 14 additions & 1 deletion README.md
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Expand Up @@ -4,7 +4,20 @@ Duper is an automatic proof-producing theorem prover broadly similar to Isabelle

## Adding Duper to an existing project

To use Duper in an existing Lean 4 project, first add this package as a dependency. In your lakefile.lean, add:
To add Duper for `v4.27.0` to an existing project with a `lakefile.toml` file, add the following dependency:

```toml
[[require]]
name = "Duper"
git = "https://github.com/leanprover-community/duper.git"
rev = "v4.27.0"
```
The file `lean-toolchain` should contain the following:
```
leanprover/lean4:v4.27.0
```

If you have a project with a `lakefile.lean` instead of `lakefile.toml`, you can use this instead:

```lean
require Duper from git "https://github.com/leanprover-community/duper.git" @ "v4.27.0"
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