لكن لا مطلقا، بل من حيث إنها موصلة إلى المجهول التصوري والتصديقي
Not in an unrestricted sense, but insofar as they lead to unknown conceptions and judgments.
The phrase insofar as limits the topic. Different disciplines may consider the same thing under different aspects.
Medicine examines the human body; grammar examines the syntax of the word “human”; logic examines its meaning and relation to other terms in forming a proper definition. This qualification distinguishes logic's subject from that of other sciences.