Description: A continuous function on a closed interval can be extended to a continuous function on the whole real line. (Contributed by Glauco Siliprandi, 11-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Hypotheses | icccncfext.1 | |
|
icccncfext.2 | |
||
icccncfext.3 | |
||
icccncfext.4 | |
||
icccncfext.5 | |
||
icccncfext.6 | |
||
icccncfext.7 | |
||
icccncfext.8 | |
||
icccncfext.9 | |
||
Assertion | icccncfext | |