أَشِدَّاءُ عَلَى الْكُفَّارِ رُحَمَاءُ بَيْنَهُمْ
Firm toward the unbelievers and compassionate among themselves.
The pair “firm/compassionate” produces semantic opposition, while the accompanying relations specify the contrasting situations. The difference in reference is part of the statement’s intended sense.
The exercise is not about forcing one label to exclude every other. A genuine instance of ṭibāq may coexist with broader parallel construction, provided each label is independently supported. Listing many names without reasons is not analysis.