weakly inaccessible cardinal

Summary

Key Facts

• weakly inaccessible cardinal is credited with the discovery of Felix Hausdorff^[1].
• weakly inaccessible cardinal's subclass of is recorded as large cardinal^[2].
• weakly inaccessible cardinal's subclass of is recorded as regular cardinal^[3].
• weakly inaccessible cardinal's time of discovery or invention is recorded as +1908-00-00T00:00:00Z^[4].
• weakly inaccessible cardinal's defining formula is recorded as \left(\forall\lambda<\kappa\colon \lambda^+<\kappa\right)\land\forall\mathcal S\colon\left(|\mathcal S|<\kappa\land(\forall S\in\mathcal S\colon|S|<\kappa)\implies\left|\bigcup\mathcal S\right|<\kappa\right)<sup id="cite-C9" class="cite-ref" title="weakly inaccessible cardinal — defining formula (P2534): \left(\forall\lambda<\kappa\colon \lambda^+<\kappa\right)\land\forall\mathcal S\colon\left(|\mathcal S|<\kappa\land(\forall S\in\mathcal S\colo">[5].
• weakly inaccessible cardinal's Google Knowledge Graph ID is recorded as /g/12175kpt^[6].
• weakly inaccessible cardinal's maintained by WikiProject is recorded as WikiProject Mathematics^[7].
• weakly inaccessible cardinal's ProofWiki ID is recorded as Definition:Weakly_Inaccessible_Cardinal^[8].
• weakly inaccessible cardinal's in defining formula is recorded as \kappa^[9].
• weakly inaccessible cardinal's in defining formula is recorded as ^+^[10].
• weakly inaccessible cardinal's Metamath statement ID is recorded as df-wina^[11].

Body

Works and Contributions

weakly inaccessible cardinal is credited with the discovery of Felix Hausdorff^[1].