Ummmm, he is addressing Amili or Hilli (the Shi'ite scholar who Ibn Taymiyya is refuting in this book). So what he is says is "how can this [i.e. Ali's fighting] be considered [by Amili/Hilli] fighting in the way of Allah, while Abu Bakr fought those who apostatized from Islam [while you, O Amili/Hilli ignore this] and .....". i.e. Abu Bakr's fighting was for the sake of Allah, and Amili/Hilli is NOT acknowledging it, while he is acknowledging it for Ali. The point being: Amili/Hilli is biased and subjective, and Ibn Taymiyya in his refutation is trying to make him realize that he has double s