👉 The contrapositive of an English statement is a statement that reverses or negates the original statement. For example, the contrapositive of "If it rains, then the ground will be wet" is "If the ground is not wet, then it does not rain." The contrapositive can also be used to express a logical equivalence between two statements by reversing their meanings: "If A implies B, then C implies D" becomes "C implies D if and only if A implies