Proofs from the Sunnah
… in several respects:
The disbelievers at Badr were three times the Muslims’ number
60- On the Day of Badr the Muslims numbered three hundred and a few more, while their enemy was three times that number—or even greater.¹ Badr is, moreover, the noblest and most momentous of all campaigns.
61- From this it is evident that a people are legally permitted to fight an enemy that exceeds them by more than double. There is no difference here between the individual and the group: one man’s fighting three is the same as three men’s fighting ten.
The Muslims at Uhud were a quarter of the enemy
62- Likewise, on the Day of Uhud the Muslims were about one-quarter the size of the opposing force, for the enemy numbered around three thousand,² whereas the Muslims were roughly seven hundred, or thereabouts.³