Mathlib Changelog
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2026-03-02 23:05
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feat(Algebra/Homology): lemmas and instances for truncation of cochain complexes (
#35936
)
Estimated changes
Modified
Mathlib/Algebra/Homology/Embedding/CochainComplex.lean
added
theorem
CochainComplex.quasiIsoAt_ιTruncLE
added
theorem
CochainComplex.quasiIsoAt_πTruncGE