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{fcolon xto ymid f\uff08k\uff09Subset U}}} \u3069\u3053 k \u305d\u308c\u306f\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u7a7a\u9593\u3067\u3059 \u306e \u958b\u3044\u3066\u3044\u307e\u3059 \u3068 \u3002 \u53c2\u7167\u3068\u5bf8\u6cd5 [ \u7de8\u96c6\u3057\u307e\u3059 ] \u2191  Kuratowsky\uff1a\u30bb\u30c3\u30c8\u3068\u30c8\u30dd\u30ed\u30b8\u30fc\u7406\u8ad6\u306e\u7d39\u4ecb  \u2191  \u30c8\u30dd\u30ed\u30b82\u756a\u76ee\u3002\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3James R. Munkress  literatura auxior [ \u7de8\u96c6\u3057\u307e\u3059 ] Dugundji\u3001J\u3002 \u30c8\u30dd\u30ed\u30b8\u30fc \u3001McGraw-Hill Companies\u30011966\u3002ISBN0-697-06889-7 \uff08Cap\u00edtutulusIII\uff09 \u30b9\u30c6\u30a3\u30fc\u30d6\u30f3\u30fb\u30a6\u30a3\u30e9\u30fc\u30c9\u3001 \u4e00\u822c\u7684\u306a\u30c8\u30dd\u30ed\u30b8 \u3001\uff081970\uff09Addison-Wesley Publishing Company\u3001Reading Massachusetts\u3002          (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4"},{"@context":"http:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/#breadcrumbitem","name":"Enzyklop\u00e4die"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/18254#breadcrumbitem","name":"Base\uff08\u30c8\u30dd\u30ed\u30b8\uff09 &#8211;  Speedylook Encyclopedia"}}]}]