Answer:
Modus Tollendo Tollens.
Explanation:
Modus Tollendo Tollens means 'Denying the Consequent' and it's a rule of inference, where denying the consequent of implication, the antecedent is consequently denied.
Consequent is the result of the implication.
Antecedent is the premise before the result.
In this case:
Consequent is the Minor Premise.
The Antecedent is the Major Premise.