Every legal tradition develops its own technical shorthand — formulas that signal to the reader which opinion is strongest, which is safer, which is easier, and which must be followed in fatwā and practice. In the Ḥanafī madhhab, these expressions became a sophisticated vocabulary through which generations of jurists negotiated the vast corpus of transmitted opinions. Phrases such as wa ʿalayhi l-fatwā (“and upon it is the fatwā”), wa huwa ṣ-ṣaḥīḥ (“and this is the correct opinion”), or wa bihi jarā l-ʿurf (“and this is what custom has proceeded upon”) are more than stylistic notes. They are signals of authority, preference, and methodology. They tell us how jurists weighed evidence, custom, precaution, ease, and scholarly consensus in order to determine the mufta bihi — the ruling to be acted upon. This series of 25 posts explores these key formulas one by one. For each, we will provide: the Arabic phrase, its correct transliteration, literal translation, and its t...