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Encyclopedia of Separation Axioms Wiki*
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T_b をテンプレートにして作成
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開始行:
*Definition [#kd340934]
-A topological space (X,τ) is is said to be T_b if the following is satisfied;
++Let &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20x%5cin%20X%2c%20%5cmbox%7b%20if%20%7d%5coverline%7b%5c%7bx%5c%7d%7d%5cneq%20X%20%5c%5d%7d%25.png); then there exists at least one point p such that &ref(http://w
++X contains at most one element x such that &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20%5coverline%7b%5c%7bx%5c%7d%7d%5cneq%5c%7bx%5c%7d%20%5c%5d%7d%25.png); ;
++If C and D are two disjoint closed subsets of X and have disjoint neighbourhoods, then &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20%5coverline%7b%5c%7bx%5c%7d%7d=x%20%5c%5d%7d%25.png); for each &ref(http://www.e
*Property [#ed75dbdf]
-A [[normal]] T_b space is a [[T_4]] space.
*Reference [#zf149bee]
-Y.W. Kim , ''A note on separation axioms weaker than T1.'', Kyungpook Math. J. 6 21-26 (1964).
終了行:
*Definition [#kd340934]
-A topological space (X,τ) is is said to be T_b if the following is satisfied;
++Let &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20x%5cin%20X%2c%20%5cmbox%7b%20if%20%7d%5coverline%7b%5c%7bx%5c%7d%7d%5cneq%20X%20%5c%5d%7d%25.png); then there exists at least one point p such that &ref(http://w
++X contains at most one element x such that &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20%5coverline%7b%5c%7bx%5c%7d%7d%5cneq%5c%7bx%5c%7d%20%5c%5d%7d%25.png); ;
++If C and D are two disjoint closed subsets of X and have disjoint neighbourhoods, then &ref(http://www.eaflux.com/imgtex/imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20%5coverline%7b%5c%7bx%5c%7d%7d=x%20%5c%5d%7d%25.png); for each &ref(http://www.e
*Property [#ed75dbdf]
-A [[normal]] T_b space is a [[T_4]] space.
*Reference [#zf149bee]
-Y.W. Kim , ''A note on separation axioms weaker than T1.'', Kyungpook Math. J. 6 21-26 (1964).
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