Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
modules
abelian categories |
| gptkbp:field |
homological algebra
|
| gptkbp:firstPublished |
1958
|
| gptkbp:namedAfter |
gptkb:Stephen_Schanuel
|
| gptkbp:sentence |
If two short exact sequences 0 → K → P → M → 0 and 0 → K' → P' → M → 0 exist with P, P' projective, then K ⊕ P' ≅ K' ⊕ P.
|
| gptkbp:usedIn |
exact sequences
projective resolutions homological dimension theory |
| gptkbp:bfsParent |
gptkb:Stephen_Schanuel
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Schanuel's lemma
|