The statement is
.
Continuity Implies Integrability Theorem:
\If a function
is continuous on the closed interval
, then
is integrable on
.
exists.
Consider the function
.
Rewrite the function as
.
The function is is not continuous on the interval
.

Each of these integral is infinite.
\The function is not integrable on
.
has a non removable discontinuity at
.
has a non removable discontinuity at
.