all ideas resolvable into simple ideas copied from precedent
feelings, 14;
deficiency in an organ of sensation produces deficiency in
corresponding idea, 15-16;
suspected ideas to be tested by asking for the impression from
which it is derived, 17 (cf. 49);
idea of reflection, 51;
general ideas, 135 n;
innate ideas, 19 n;
power of will over ideas, 53.

B. _Association of_, 18-19.

Ideas introduce each other with a certain degree of method and
regularity, 18;
only three principles of association, viz. Resemblance, Contiguity,
and Cause or Effect, 19;
contrariety, 19 n;
production of belief by these principles, 41-43.

C. Correspondence of ideas and course of nature, 44;
relations of ideas one of two possible objects of enquiry, 20;
such relations discoverable by the mere operation of thought, 20,
131;
no demonstration possible except in case of ideas of quantity or
number, 131.

Imagination
11, 39;
and belief, 40.