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Theorem
matrix.det_ne_zero_of_right_inverse
Modification history
2021-09-08 21:47
src/linear_algebra/matrix/nonsingular_inverse.lean
feat(linear_algebra/matrix): `M` maps some `v ≠ 0` to zero iff `det M = 0` (#9041) …
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matrix.det_ne_zero_of_right_inverse
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