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CochainComplex.HomComplex.δ_comp_zero_cochain
Modification history
2023-09-14 17:32
Mathlib/Algebra/Homology/HomotopyCategory/HomComplex.lean
feat: the complex of homomorphisms between two cochain complexes (#7050)
Added
CochainComplex.HomComplex.δ_comp_zero_cochain
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