@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix prov: . @prefix foaf: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo; a np:Nanopublication . } sub:assertion { sub:spi a ; rdfs:label "over principal ideal domains, flat modules are exactly torsion-free modules"; ; ; ; ; . } sub:provenance { sub:assertion prov:wasAttributedTo orcid:0000-0003-0056-1249 . } sub:pubinfo { nt:hasLabelFromApi "principal ideal domain - Algebraic structure" . nt:hasLabelFromApi "flat module - algebraic structure in ring theory" . nt:hasLabelFromApi "torsion-free module - module over a ring such that zero is the only element annihilated by a regular element of the ring" . orcid:0009-0006-3216-8846 foaf:name "Uni Marx" . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnNLN3ua2JspoEHU8IclouceneexsknOLLz5ONfKbPFteR1TwYn5QQpQgpw/9QBi2xa6EexXYFUJCnol7mEtzmE1+fQO5NKc5MYL/HZxmYlhCCPkuhpe0J9po8C1k8lBOoa0BwoQb1EHlQf4qpaPjgc2jCIXwIkPHiMvLMba/vVQIDAQAB"; npx:hasSignature "lTDlLQzQEeTePcN4KVDSiiuNPrnfFw6UMK85TabmRZKrFKNrgjd8l0h77IrkUuPmdsnXYcZ5y2zT/ejShPHnAGwXf/QOoXK1Qf3D02F15jxPAs72wtc3lr9LVYRugFaASdZF6UPZlR1wWmvPkDcAsNbCmcuBidF4ERpDGRXMhkk="; npx:hasSignatureTarget this:; npx:signedBy orcid:0009-0006-3216-8846 . this: dct:created "2024-04-21T18:56:34.886Z"^^xsd:dateTime; dct:creator orcid:0009-0006-3216-8846; dct:license ; npx:introduces sub:spi; npx:wasCreatedAt ; nt:wasCreatedFromProvenanceTemplate ; nt:wasCreatedFromPubinfoTemplate , ; nt:wasCreatedFromTemplate . }