In mathematics and logic, the contrapositive of a statement is formed by negating both the hypothesis and conclusion and switching them.
व्युत्क्रमी
English Usage: If the original statement is "If it rains, then the ground is wet," the contrapositive would be "If the ground is not wet, then it does not rain."
Hindi Usage: यदि मूल कथन "यदि बारिश होती है, तो भूमि गीली है," तो व्युत्क्रमी होगा "यदि भूमि गीली नहीं है, तो बारिश नहीं होती है।"