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Matrix.mem_subfield_of_mul_eq_one_of_mem_subfield_right
Modification history
2024-11-28 16:12
Mathlib/LinearAlgebra/Matrix/BaseChange.lean
feat: drop finite-dimensionality assumption from `PerfectPairing.restrictScalarsField` (#18940)
Added
Matrix.mem_subfield_of_mul_eq_one_of_mem_subfield_right
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