something that applies to all alike.1
“Why, for example, this common thing that all arts and forms of
and all sciences employ, and which is among the first things that
everybody must learn.” “What?” he said.
“This trifling matter,3
” I said,
“of distinguishing one and two and three. I mean, in sum, number and
calculation. Is it not true of them that every art and science must necessarily
partake of them?” “Indeed it is,” he said.
“The art of war too?” said I. “Most
necessarily,” he said.