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LieAlgebra.IsKilling.mem_sl2SubalgebraOfRoot_iff
Modification history
2025-05-19 15:04
Mathlib/Algebra/Lie/Weights/Killing.lean
feat: define the `sl₂` Lie subalgebra associated to a root (#24995) …
Added
LieAlgebra.IsKilling.mem_sl2SubalgebraOfRoot_iff
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