Theorem RingEquiv.subringCongr_symm

Modification history

2026-05-05 14:28
Mathlib/Algebra/Ring/Subring/Basic.lean
feat(RingTheory/Localization): R ⧸ pⁿ ≃ₐ[R] Rₚ ⧸ (maximalIdeal Rₚ)ⁿ (#36783) …
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