The phrase 'if and only if' or 'iff' is used in a conditional statement
The phrase is given as:
'if and only if' or 'iff'
The above phrase is used to show conditional statements
Take for instance:
The value of x is 2 if and only if y is 5
The above implies that the value of x is dependent on the value of y by the given condition
Hence, the phrase 'if and only if' or 'iff' is used in a conditional statement
Read more about conditional statement at
https://brainly.com/question/11073037
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