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refactor: remove FullBeta.step_subst_cong_r - #738

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awesome-lambda-calculus:rm_FullBeta.step_subst_cong_r
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refactor: remove FullBeta.step_subst_cong_r#738
lengyijun wants to merge 1 commit into
leanprover:mainfrom
awesome-lambda-calculus:rm_FullBeta.step_subst_cong_r

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FullBeta.steps_subst_cong_r is the more general version.

Updated steps_subst_cong_r to perform induction on LC s (instead of on the multi-step reduction) and inlined the previous single-step logic into the app case.

@chenson2018 chenson2018 self-assigned this Jul 25, 2026
`FullBeta.steps_subst_cong_r` is the more general version.

Updated `steps_subst_cong_r` to perform induction on `LC s` (instead of on the multi-step reduction) and inlined the previous single-step logic into the `app` case.
@lengyijun
lengyijun force-pushed the rm_FullBeta.step_subst_cong_r branch from 6ec367f to a4d219f Compare July 25, 2026 22:00
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