Form Classes

Form equivalence class Howard-Rubin Number: 0

Statement:

The number of well orderings of a set:  

For all \(x\),\(|x| < |w(x)|\) where \(w(x)\) is the set of all well orderings of subsets of \(x\).
 

Howard-Rubin number: 0 AF

Citations (articles): Truss [1973d] The well-ordered and well-orderable subsets of a set

Connections (notes):

References (books):

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