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Theorem homotopy.null_homotopic_map'_f_eq_zero

Modification history

2022-03-03 17:48
src/algebra/homology/homotopy.lean
feat(algebra/homology/homotopy): compatibilities of null_homotopic_map with composition and additive functors (#12392)
Modified homotopy.null_homotopic_map'_f_eq_zeroView on Github →
2021-12-31 14:15
src/algebra/homology/homotopy.lean
feat(algebra/homology): Construction of null homotopic chain complex … (#11125) …
Added homotopy.null_homotopic_map'_f_eq_zeroView on Github →