Corpus v3 · Formal theorem
cid005421
FTH0159canonicalv1cech_sq_zero_1 (theorem)
/-- [II.D86] δ² = 0 at stage 1. -/
Formalization
lean_axiom_freesorries: 0project axioms: 0
Identifiers
Aliases & legacy IDs
cech_sq_zero_1cech-sq-zero-1TauLib.BookII.CentralTheorem.SheafCohomology::cech_sq_zero_1Release lines
corpus_v2corpus_v3_workingVersion & History
Status disclaimer
A Corpus Item page reports the program's current internal record for this item. It does not imply external verification, scientific consensus, or final proof unless explicitly stated. Read it together with its dependencies, formalization status, and the program's overall stance.