Violating the Singular Cardinals Hypothesis Without Large Cardinals
classification
🧮 math.LO
keywords
alefcardinalcardinalslambdamodelomegaarbitrarilybelow
read the original abstract
We extend a transitive model V of ZFC + GCH cardinal preservingly to a model N of ZF + "GCH holds below Alef_omega" + "there is a surjection from the power set of Alef_omega onto lambda" where lambda is an arbitrarily high fixed cardinal in V.
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