Is this biconditional statement true?

felipe is a swimmer if and only if he is an athlete
false. Bi-conditional statements are equivalent to a=b.
a=felipe is a swimmer
b=felipe is an athlete

If Felipe is a runner, he is an athlete, but not a swimmer. Therefore, the statement is false.

Another way to explain...

a->b && b->a
If felipe is a swimmer, then he is an athlete. Statement is true.
If felipe is an athlete, next he is a swimmer. Statement is false.
T && F

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