The proposed attack will succeed, only if the enemy is taken by surprise or the position is weakly defended. The enemy will not be taken by surprise, unless he is overconfident. He will not be...

determine if this arugment is valid or not using propoational logic/ premises/ a justify each step

Extracted text: The proposed attack will succeed, only if the enemy is taken by surprise or the position is weakly defended. The enemy will not be taken by surprise, unless he is overconfident. He will not be overconfident if the position is weakly defended. Hence the proposed attack will not succeed.