إِنَّمَا الْخِلَافُ فِي الصِّيَاغَةِ.
The disagreement lies in wording only.
Within the dialogue, this has the force of relative restriction (qaṣr iḍāfī): it contrasts a difference in wording with the alleged difference in result. If an opponent assumes that differing formulations necessarily entail differing findings, the reply rejects that inference. It does not proclaim the absence of every conceivable mistake.
AspectClaim
WordingVariation is admitted
ConclusionAgreement is affirmed
Every possible slipNot categorically excluded
Sound analysis must keep all three levels separate.