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Theorem direct_sum.is_internal.isometry_L2_of_orthogonal_family_symm_apply

Modification history

2022-05-24 14:54
src/analysis/inner_product_space/pi_L2.lean
refactor(algebra/direct_sum/basic): use the new polymorphic subobject API (#14341) …
Added direct_sum.is_internal.isometry_L2_of_orthogonal_family_symm_applyView on Github →