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RootPairing.Base.not_nonpos_iff_pos_of_sum_mem_range_root
Modification history
2025-07-17 18:28
Mathlib/LinearAlgebra/RootSystem/Base.lean
feat: add root system induction principle equivalent to connectedness of Dynkin diagram (#26965) …
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RootPairing.Base.not_nonpos_iff_pos_of_sum_mem_range_root
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