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feat: Add BetaAt uniqueness, FV preservation, and left redex-count bound - #800

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leanprover:mainfrom
awesome-lambda-calculus:leftmost
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feat: Add BetaAt uniqueness, FV preservation, and left redex-count bound#800
lengyijun wants to merge 1 commit into
leanprover:mainfrom
awesome-lambda-calculus:leftmost

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@lengyijun lengyijun commented Aug 14, 2026

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new theorems : BetaAt.step_fv BetaAt.unique BetaAt.lt_countRedexes Leftmost.steps_fv

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lengyijun commented Aug 14, 2026

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A humble start of series of pr

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I have finished fokker_challenge, this is the only blocker

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lengyijun force-pushed the leftmost branch 5 times, most recently from 6951e55 to f474f82 Compare August 28, 2026 00:14
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@m-ow Could you please take a review ?

new theorems : BetaAt.step_fv BetaAt.unique BetaAt.lt_countRedexes Leftmost.steps_fv
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lengyijun force-pushed the leftmost branch 3 times, most recently from 6e94b5e to 0ca6484 Compare September 5, 2026 22:17
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lengyijun commented Sep 5, 2026

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