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reducible

Last-modified: 2013-07-16 (火) 17:41:50

Definition Edit

  • A non-empty closed subset C of X is said reducible if there are non-empty, proper closed subsets C_1,C_2 of C, such that C = C_1 ∪ C_2.

Reference Edit

  • M.L. Colasante and D. Van der Zypen, Minimal R_1, minimal regular and minimal presober topologies, Revista Notas de Matemática, Vol.5(1),No. 275, 2009, pp.73-84