proof app:A-long-proofs@proof-247

open in the book · appendices/A-long-proofs.tex:19969

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proof : app:A-long-proofs@proof-247prooflemma A.409: A Casimir invertible on a nontrivial irreducible moduleA.409corollary A.343: The Killing form of a simple idealA.343corollary A.342: Orthogonal splitting of idealsA.342lemma A.405: Schur, algebra formA.405theorem A.410: Whitehead's first and second lemmasA.410

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proves A Casimir invertible on a nontrivial irreducible module declared appendices/A-long-proofs.tex:19969