Mathlib v3 is deprecated. Go to Mathlib v4

Theorem homotopy.null_homotopic_map'_f

Modification history

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'_fView on Github →