BOOK I PART I
time, which are the sources of an infinite num-
ber of comparisons, such as distant, contigu-
ous, above, below, before, after, etc.
(4) All those objects, which admit ofquantity,
ornumber, may be compared in that particular;
which is another very fertile source of relation.
(5) When any two objects possess the same
qualityin common, thedegrees, in which they
possess it, form a fifth species of relation. Thus
of two objects, which are both heavy, the one
may be either of greater, or less weight than the
other. Two colours, that are of the same kind,
may yet be of different shades, and in that re-
spect admit of comparison.
(6) The relation ofcontrarietymay at first
sight be regarded as an exception to the rule,
that no relation of any kind can subsist without
some degree of resemblance. But let us consider,