cleanup(#4480): FltRegularBernoulli Furtwaengler/ArtinHasse/DworkCoeffLeadingTermCongruence.lean — simpa best-API trim - #4749
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…fLeadingTermCongruence.lean — simpa best-API trim Full /cleanup (statement-preserving; no EXISTING statement token changed — only one proof-internal simpa line differs; every signature token-identical; no instance binders removed; no new helpers). sorryAx STEP-0 GATE PASSED: all 7 decls in BernoulliRegular.Furtwaengler [propext, Classical.choice, Quot.sound] — not OSKR-tainted (upstream ArtinHasse/Dwork infrastructure). (1) Best-mathlib-API / simp-set trim (×1): L145 in pow_sub_pow_mem_pow_succ_of_sub_mem_sq — simpa [pow_add, Nat.add_assoc, Nat.add_comm, Nat.add_left_comm] using hmul → simpa [Ideal.IsTwoSided.pow_add] using hmul (drops 3 redundant Nat.add_* normalization lemmas + switches to the ideal-specific Ideal.IsTwoSided.pow_add, matching the existing in-file convention 5 lines below at L150). PROBED+REVERTED (load-bearing, correctly kept): 3× simp → simp only (the convert…using 1; simp[…]; ring blocks in the three *_lt_ell_leading theorems — bare simp normalizes Nat.succ/Nat.factorial forms ring depends on; simp only left an unclosable goal); the change … ∈ I^((n+1)+1) on L149 (without it simpa [Ideal.IsTwoSided.pow_add] over-applies pow_add to both sides → I^n*I*I vs I^(n+1)*I^1 mismatch). NOT touched (correctly KEPT — used here): universe u v w (Type u/v/w used — contrast sibling #4479 where it was dead); open scoped NumberField (𝓞 used — contrast #4479); public imports (re-exported interface); the repeated 5-line instance-binder block (a variable-collapse would risk binder reorder/non-token-identical signatures + theorem #4 is a generic lemma not using them). +1/−1. decl-count unchanged (7); module green by name (3578 jobs); axioms on touched decl pow_sub_pow_mem_pow_succ_of_sub_mem_sq [propext, Classical.choice, Quot.sound]; zero new sorry; no statement token-changed; no residue (probe stripped, tail intact end Furtwaengler/end BernoulliRegular/end). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Full /cleanup (statement-preserving; no EXISTING statement token changed — only one proof-internal simpa line differs; every signature token-identical; no instance binders removed; no new helpers). sorryAx STEP-0 GATE PASSED: all 7 decls in BernoulliRegular.Furtwaengler [propext, Classical.choice, Quot.sound] — not OSKR-tainted (upstream ArtinHasse/Dwork infrastructure). (1) Best-mathlib-API / simp-set trim (×1): L145 in pow_sub_pow_mem_pow_succ_of_sub_mem_sq — simpa [pow_add, Nat.add_assoc, Nat.add_comm, Nat.add_left_comm] using hmul → simpa [Ideal.IsTwoSided.pow_add] using hmul (drops 3 redundant Nat.add_* normalization lemmas + switches to the ideal-specific Ideal.IsTwoSided.pow_add, matching the existing in-file convention 5 lines below at L150). PROBED+REVERTED (load-bearing, correctly kept): 3× simp → simp only (the convert…using 1; simp[…]; ring blocks in the three _lt_ell_leading theorems — bare simp normalizes Nat.succ/Nat.factorial forms ring depends on; simp only left an unclosable goal); the change … ∈ I^((n+1)+1) on L149 (without it simpa [Ideal.IsTwoSided.pow_add] over-applies pow_add to both sides → I^nI*I vs I^(n+1)*I^1 mismatch). NOT touched (correctly KEPT — used here): universe u v w (Type u/v/w used — contrast sibling #4479 where it was dead); open scoped NumberField (𝓞 used — contrast #4479); public imports (re-exported interface); the repeated 5-line instance-binder block (a variable-collapse would risk binder reorder/non-token-identical signatures + theorem #4 is a generic lemma not using them). +1/−1. decl-count unchanged (7); module green by name (3578 jobs); axioms on touched decl pow_sub_pow_mem_pow_succ_of_sub_mem_sq [propext, Classical.choice, Quot.sound]; zero new sorry; no statement token-changed; no residue (probe stripped, tail intact end Furtwaengler/end BernoulliRegular/end).
Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com