# ELECTIONS

, or *Choice,* signify the several different
ways of taking any number of things proposed, either
separately, or as combined in pairs, in threes, in fours,
&c; not as to the order, but only as to the number and
variety of them. Thus, of the things *a, b, c, d, e,*
&c, the elections of
&c; and of any number, *n,* all the elections are 2^{n}-1;
that is, one less than the power of 2 whose exponent
is *n,* the number of single things to be chosen, either
separately or in combination.