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Def category_theory.biproduct.column_nonzero_of_iso

Modification history

2020-07-01 10:05
src/category_theory/preadditive/biproducts.lean
feat(category/preadditive): properties of preadditive biproducts (#3245) …
Added category_theory.biproduct.column_nonzero_of_isoView on Github →