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Continue to ChatTest rank of an abelian product of a free Lie algebra and a free abelian Lie algebra - https://avesis.cu.edu.tr/yayin/2563b694-eb9d-4d46-b1eb-0be3c7a60c21/test-rank-of-an-abelian-product-of-a-free-lie-algebra-and-a-free-abelian-lie-algebra