Commit 2025-02-10 17:54 ac7f4397
View on Github →chore(Algebra/BigOperators/Ring): don't import Field (#21656)
Split the file into the part talking about rings and the part talking about fields.
See https://github.com/leanprover-community/mathlib3/pull/2152 and https://github.com/leanprover-community/mathlib4/pull/19630 for the new copyright header.