Imetajwa kuwa "phi inajulikana thamani chanya" (dakika 16.28). Ninashangaa, ikiwa dist ya kielelezo. inakuja chini ya familia ya kielelezo cha kisheria (au la), ambapo theta = lambda, b(theta) = ln(theta) na phi = -1?####[['dist ya kielelezo.', 'Mathematical_Related_Concept', 'NEU']]