«أَمَّا لَوْ رَجَحَ قِسْمٌ عَلَى مَا هُوَ فَوْقَهُ بِأُمُورٍ أُخْرَى تَقْتَضِي التَّرْجِيحَ»
A report in a generally lower class may become preferable because of additional reasons supporting that particular report.
This distinguishes general ranking from qualified case-specific priority. The initial source hierarchy remains meaningful, but supplementary routes, stronger preservation, and substantive indications may change the decision in a concrete comparison.
Thus affirming Bukhari’s overall preference does not authorize dismissing all other authentic reports in every disputed issue solely by citing the collection title.