[The equivalent to an army corps, according to Ssu-ma Fa, consisted nominally of 12500 men; according to Ts’ao Kung, the equivalent of a regiment contained 500 men, the equivalent to a detachment consists from any number between 100 and 500, and the equivalent of a company contains from 5 to 100 men. For the last two, however, Chang Yu gives the exact figures of 100 and 5 respectively.]