.
and
are open.
is
is closed.
Mathematics Homework Solutions
#164576
Topological Spaces and Continuity
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Let be a real valued function on a topological space .
Show that is continuous if and only if for each real number the set and
are open.
Show that is continuous if and only if for each real number the set is
open and is closed.
Topological spaces and continuity are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.
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