Mathlib v3 is deprecated. Go to Mathlib v4

Theorem direct_sum.submodule_is_internal.collected_basis_mem

Modification history

2022-05-24 14:54
src/algebra/direct_sum/module.lean
refactor(algebra/direct_sum/basic): use the new polymorphic subobject API (#14341) …
Deleted direct_sum.submodule_is_internal.collected_basis_memView on Github →
2021-11-13 02:46
src/algebra/direct_sum/module.lean
feat(analysis/inner_product_space/projection): orthonormal basis subordinate to an `orthogonal_family` (#10208) …
Added direct_sum.submodule_is_internal.collected_basis_memView on Github →