EntityQ1734160· pop 10· linked from 20 articlesdiamond principleSign in to savecombinatorial principle that there exists a family of sets 𝐴(𝛼)⊆𝛼 for 𝛼<ω₁ such that for any 𝐴⊆ω₁, the set of 𝛼’s with 𝐴∩𝛼=𝐴(𝛼) is stationary in ω₁Connectionsaxiom of constructibilityEntitystationary setEntitymathematicsEntityInternational Standard Book NumberEntityset theoryEntitydigital object identifierEntitysequenceEntityQ180686EntitybibcodeEntityQ118398EntityQ229883Entitycardinal numberEntitycontinuum hypothesisEntityQ22908627EntityProceedings of the National Academy of Sciences of the United States of AmericaEntityZermelo–Fraenkel set theoryEntitycounterexampleEntitySaharon ShelahEntityMathematical ReviewsEntityC*-algebraEntityCategoriesConstructible universeIndependence resultsMathematical principlesSet theory