Form equivalence class Howard-Rubin Number: 1
Statement:
There is an ordinal \(\beta\) such that for no cardinal \(x\) is there a strictly increasing sequence of cardinals \(\left \{ \,y_{\gamma} : \gamma < \beta \, \right \}\) such that \(y_{\gamma}^2 = x\).
Howard-Rubin number: 1 AM
Citations (articles):
Truss [1973b]
On certain arbitrarily long sequences of cardinals
Connections (notes):
Note [98]
Definitions for forms [1 AK], [1 AL], [1 AM] from Truss [1973a]
References (books):
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