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This PR changes all `lean-toolchain` to use relative toolchain paths instead of `lean4` and `lean4-stage0` identifiers, which removes the need for manually linking toolchains via Elan. After this PR, at least Elan 4.2.0 and 0.0.224 of the Lean VS Code extension will be needed to edit core. Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
The Lean standard library
This directory contains development information about the Lean standard library. The user-facing documentation of the standard library is part of the Lean Language Reference.
Here you will find
- the standard library vision document, including the call for contributions,
- the standard library style guide, and
- the standard library naming conventions.