Form equivalence class Howard-Rubin Number: 43
Statement: Matrix\((\omega)\): For every atomless poset \((P,\le)\)and every family \(D=\{D_i: i\in\omega\}\) of dense open subsets of \(P\),there exists a matrix \(C=\{C_i: i\in\omega\}\), \(|\bigcup C|=\omega\) of \(P\)for \(D\). Keremedis [1996b] and Note 132.
Howard-Rubin number: 43 Q
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