The sensual #quadratic_formby John Conway
https://archive.org/details/X788QX7XSY8Q89YSQ89YSY8Q9XH/conwaysens/page/n15/mode/2up?view=theater
#superbases #lattice #multilinear
XQY98XQS8SYY89XS89Y8YHXQXS8HS8SYXS6TS66RS
isomorphismes
