— 685 —
Intuition, Demonstration, Judgment.
      §17. Intuitive Knowledge, is the perception of the certain Agree-
ment, or Disagreement of two Ideas immediately compared together.
      Rational Knowledge, is the perception of the certain Agreement, or
Disagreement of any two Ideas, by the intervention of one or more
other Ideas.
      Judgment, is the thinking or taking two Ideas to agree, or disagree,
by the intervention of one or more Ideas, whose certain Agreement,
or Disagreement with them it does not perceive, but hath observed
to be frequent and usual.
Locke Hum IV, 17, §17, p. 685