is specially based upon what happens generally. This may take place in two ways, from consideration either of the time or of
the facts.xro/nw| . . .
pra/gmasin. If xro/nw| be
taken to mean the date, there are the following alternatives. The date may
be questioned, the facts admitted; both date and facts may be questioned;
both date and facts may be admitted, but circumstances may have altered
（a pound was worth twenty shillings in 1914, not in 1924）. Others take
xro/nw| to mean the greater number of
times the same fact has occurred, pra/gmasi
the more numerous facts that increase probability. But xro/nw| can hardly bear this meaning （see Jebb's
note）. The strongest objections are those in which both are
combined; for a thing is more
probable, the greater the number of similar cases.
Signs and enthymemes based upon signs, even if
true, may be refuted in the manner previously stated1.2.18; or,