Mathematics Symbols
If And Only If Math Symbol. Web the symbol $\iff$ means if and only if (iff) or implies and is implied by or is equivalent to.
Web the symbol $\iff$ means if and only if (iff) or implies and is implied by or is equivalent to.
Web the symbol $\iff$ means if and only if (iff) or implies and is implied by or is equivalent to. Web the symbol $\iff$ means if and only if (iff) or implies and is implied by or is equivalent to.
