Theorem CategoryTheory.Biprod.column_nonzero_of_iso

Modification history

2023-03-10 08:05
Mathlib/CategoryTheory/Preadditive/Biproducts.lean
feat: port CategoryTheory.Preadditive.Biproducts (#2760)
Added CategoryTheory.Biprod.column_nonzero_of_isoView on Github →