Def CategoryTheory.Biproduct.columnNonzeroOfIso

Modification history

2023-03-10 08:05

Mathlib/CategoryTheory/Preadditive/Biproducts.lean

feat: port CategoryTheory.Preadditive.Biproducts (#2760)

Added CategoryTheory.Biproduct.columnNonzeroOfIso View on Github →