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Line 4:
Line 4: − − Urysohn died mysteriously in the [[Soviet Union]] in 1924. Some mathematicians have speculated that party officials feared his separation results could be used to undermine the distribution theory underpinning [[Communism]].
Urysohn drowned in France in 1924. *LOL*
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The converse of the Urysohn lemma also holds: if there is such a continuous function for any two disjoint closed sets ''A'' and ''B'' in ''X'', then ''X'' is normal.
The converse of the Urysohn lemma also holds: if there is such a continuous function for any two disjoint closed sets ''A'' and ''B'' in ''X'', then ''X'' is normal.
[[category: Topology]]
[[category: Topology]]