Statement: DUCC If \(X\) is a denumerable family of disjoint topological spaces each having the ccc property, then the disjoint union of the spaces in (X) has the ccc property.' (\(Y\) has the ccc property if every collection of disjoint open sets is countable.)
Howard_Rubin_Number: 432
Parameter(s): This form does not depend on parameters
This form's transferability is: Unknown
This form's negation transferability is: Negation Transferable
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