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submetacompact の変更点

 *Definition [#k76aadb5]
 A topological space X is called submetacompact (or θ-rifinable) if for each open cover U, there exists a sequence V_n of open refinements of U such that for each x in X, V_n is [[point-finite]] at x for some n.
 *Remark [#zb8e0123]
 -cf. [[weakly submetacompact]]
 -cf. [[weakly submetacompact]], [[κ-submetacompact]]
 *Reference [#w16d8e93]
 N. Kemoto, Y. Yajima, ''Orthocompactness in infinite product spaces'', Proc. Amer. Math. Soc. Vol.120 No.2 (1994)