Form equivalence class Howard-Rubin Number: 118

Statement: If \((X,\le)\) is a linear order then the family\(\{A'(a,b): a, b\in X \land a< b\}\) has a choice function. (\(A'(a,b)\)denotes the set of continuous functions from \(X\) into \([0,1]\) suchthat \(f(a)= 0\) and \(f(b) = 1\).)  Morillon [1988] and Note 71.

Howard-Rubin number: 118 N

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