الأسئلة المتوجهة على القياس ثمانية
Eight kinds of challenge are directed against analogy.
ObjectionCentral challenge1. MumānaʿahDenial of an attribute or ruling2. Qawl bi-mūjab al-ʿillahConceding the cause but contesting its purported effect3. QalbTurning the reason toward an opposing conclusion4. ʿAksUsing the proponent's own original case against the analogy5. Fasād al-waḍʿAn unsuitable cause for the claimed ruling6. FarqMaterial distinction between cases7. NaqḍCounterinstance to the claimed cause8. MuʿāraḍahA competing operative proof
These labels classify the direction of the challenge. Each proposed objection still needs evidence to be successful.