feat(untyped): standardization theorem for the lambda calculus#679
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Looking for your next pr ! |
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Could you share your next PR related to "leftmost reduction"? |
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Hi! @lengyijun My branch is still a bit too messy to share right now, but I expect to open the PR very soon. |
m-ow
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opened #700 :) |
chenson2018
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Jul 8, 2026
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This seems straightforward, just some style nitpicks.
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…dReduction.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
…ame.lean Co-authored-by: Chris Henson <46805207+chenson2018@users.noreply.github.com>
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Thanks a lot for the review! Let me know if anything else needs changing. |
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@m-ow Thanks! I did a little bit of miscellaneous cleanups myself, in the hope of getting to your next PR a bit quicker. You might have a look for future reference.
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This PR proves the standardization theorem: if
Mbeta-reduces toNin any number of steps, thenNis reachable fromMby a standard reduction.Builds on #671.