0
$\begingroup$

I was wondering if definitions in mathematics are "if and only" statements?

I know for sure that theorems are not "iff" statements.

Thank you in advance for your help.

$\endgroup$
1
  • $\begingroup$ Yes, they are. But usually only "if" is used. $\endgroup$
    – drhab
    Dec 11, 2015 at 15:46

1 Answer 1

1
$\begingroup$

Yes, any definition is a 'iff' statement, though we use just 'if' in definition.

$\endgroup$

Not the answer you're looking for? Browse other questions tagged or ask your own question.