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feat: helper lemmas for use in the planned strong norm proof#381

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chenson2018 merged 18 commits intoleanprover:mainfrom
WegmannDavid:pr/StrongNorm
Mar 4, 2026
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feat: helper lemmas for use in the planned strong norm proof#381
chenson2018 merged 18 commits intoleanprover:mainfrom
WegmannDavid:pr/StrongNorm

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@WegmannDavid WegmannDavid commented Feb 28, 2026

Added helper lemmas to existing files that are necessary for additional pull requests with the goal of proving strong normalization for Stlc.

@chenson2018 chenson2018 changed the title added helper lemmas for use in the planned strong norm proof feat: helper lemmas for use in the planned strong norm proof Mar 1, 2026
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These are mostly suggestions about style and generality. Please ask if you have questions about anything!

WegmannDavid and others added 10 commits March 1, 2026 11:52
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
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Please also add a short description to the PR.

@chenson2018 chenson2018 added this pull request to the merge queue Mar 4, 2026
Merged via the queue into leanprover:main with commit 11957b8 Mar 4, 2026
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2 participants