Mathlib v3 is deprecated. Go to Mathlib v4

Theorem matrix.block_triangular_inv_of_block_triangular

Modification history

2022-10-13 08:46
src/linear_algebra/matrix/block.lean
feat(linear_algebra/matrix): inverse of block triangular is block triangular (#16150) …
Added matrix.block_triangular_inv_of_block_triangularView on Github →