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Theorem
exists_ne_zero_dotProduct_eq_zero
Modification history
2025-10-12 11:37
Mathlib/Data/Matrix/Mul.lean
feat(LinearAlgebra/Matrix/PosDef): `vecMulVec a (star a)` is positive semi-definite (#29861) …
Added
exists_ne_zero_dotProduct_eq_zero
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