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Commit 2021-08-16 11:55 deedf250

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feat(algebra/lie/semisimple): adjoint action is injective for semisimple Lie algebras (#8698)

Estimated changes

Modified src/algebra/lie/abelian.lean

added theorem lie_algebra.ad_ker_eq_self_module_ker

deleted theorem lie_algebra.center_eq_adjoint_kernel

added theorem lie_algebra.self_module_ker_eq_center

Modified src/algebra/lie/semisimple.lean

added theorem lie_algebra.ad_ker_eq_bot_of_semisimple