WAEC - Mathematics (2017 - No. 30)
Consider the statements: p it is hot, q: it is raining
Which of the following symbols correctly represents the statement "It is raining if and only if it it is cold"?
p \(\iff\) \(\sim\)q
p \(\iff\) q
\(\sim\)p \(\iff\) \(\sim\)q
q \(\iff\) \(\sim\)p