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Theorem from_next'_comp_right

Modification history

2021-05-17 12:38
src/algebra/homology/homotopy.lean
refactor(algebra/homology/homotopy): avoid needing has_zero_object (#7621) …
Deleted from_next'_comp_rightView on Github →
2021-05-15 08:16
src/algebra/homology/homotopy.lean
feat(algebra/homology): homotopies between chain maps (#7483)
Added from_next'_comp_rightView on Github →