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LieAlgebra.IsKilling.ker_killingForm_eq_bot
Modification history
2023-10-13 13:56
Mathlib/Algebra/Lie/Killing.lean
feat: a non-singular Killing form remains non-singular when restricted to a Cartan subalgebra (#7613) …
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LieAlgebra.IsKilling.ker_killingForm_eq_bot
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