%! Author = lorenzo %! Date = 15/09/22 \usepackage{amsmath,amsthm} % per la matematica estesa %% NON USARE LE MACRO \math.., MA \sym.. \usepackage[math-style=ISO]{unicode-math}% per la matematica UNICODE \def\corrxits#1{\expanded{\Umathstackdenomdown#1=\the\Umathfractiondenomdown#1}\relax} \AtBeginDocument{ % see https://tex.stackexchange.com/a/120070 \setmathfont{XITS Math}[partial=upright]% font matematici UNICODE che van bene con i Times. Base math font. \setmathfont{XITS Math}[range={cal,bfcal},StylisticSet=1]% enable calligraphic font for XITS Math. }